Summerer, H., Rath, K., Nenning, A., Schachinger, T., Stöger-Pollach, M., Rameshan, C., & Opitz, A. K. (2024). Electro-tuned catalysts: voltage-controlled activity selection of bimetallic exsolution particles. Journal of Materials Chemistry A, 12(31), 20386–20402. https://doi.org/10.1039/d4ta00989d ( reposiTUm)

Gibbs, D. K., Podsednik, M., Tapler, P., Weiss, M., Opitz, A. K., Nelhiebel, M., Quarles, C. D., Larisegger, S., & Limbeck, A. (2024). Improving Spatial Resolution by Reinterpreting Dosage for Laser-Induced Breakdown Spectroscopy Imaging: Conceptualization and Limitations. Chemical & Biomedical Imaging, 2(9), 631–639. https://doi.org/10.1021/cbmi.4c00045 ( reposiTUm)

Vonk, V., Volkov, S., Keller, T. F., Hutterer, A., Lakner, P., Bertram, F., Fleig, J., Opitz, A. K., & Stierle, A. (2023). Reversible Ultrathin PtOₓ Formation at the Buried Pt/YSZ(111) Interface Studied In Situ under Electrochemical Polarization. Journal of Physical Chemistry Letters, 14(8), 2065–2071. https://doi.org/10.1021/acs.jpclett.2c03614 ( reposiTUm)

Siebenhofer, M., Riedl, C., Nenning, A., Artner, W., Rameshan, C., Opitz, A. K., Fleig, J., & Kubicek, M. (2023). Improving and degrading the oxygen exchange kinetics of La₀.₆Sr₀.₄CoO₃-δ by Sr decoration. Journal of Materials Chemistry A: Materials for Energy and Sustainability, 11(24), 12827–12836. https://doi.org/10.1039/d2ta09362f ( reposiTUm)

Muhammad, Q. K., Valderrama, M., Yue, M., Opitz, A. K., Taibl, S., Siebenhofer, M., Bruder, E., Fleig, J., Fang, X., & Frömling, T. (2023). Dislocation‐tuned electrical conductivity in solid electrolytes (9YSZ): A micro‐mechanical approach. Journal of the American Ceramic Society, 106(11), 6705–6716. https://doi.org/10.1111/jace.19291 ( reposiTUm)

Riedl, C., Siebenhofer, M., Nenning, A., Wilson, G., Kilner, J., Rameshan, C., Limbeck, A., Opitz, A. K., Kubicek, M., & Fleig, J. (2023). Surface Decorations on Mixed Ionic and Electronic Conductors: Effects on Surface Potential, Defects, and the Oxygen Exchange Kinetics. ACS Applied Materials and Interfaces, 15(22), 26787–26798. https://doi.org/10.1021/acsami.3c03952 ( reposiTUm)

Neagu, D., Irvine, J. T. S., Wang, J., Yildiz, B., Opitz, A. K., Fleig, J., Wang, Y., Liu, J., Shen, L., Ciucci, F., Rosen, B., Xiao, Y., Xie, K., Yang, G., Shao, Z., Zhang, Y., Reinke, J., Schmauss, T., Barnett, S. A., … Liu, G. (2023). Roadmap on exsolution for energy applications. JPhys Energy, 5(3), Article 031501. https://doi.org/10.1088/2515-7655/acd146 ( reposiTUm)

Riedl, C., Siebenhofer, M., Ražnjević, S., Bumberger, A. E., Zhang, Z., Limbeck, A., Opitz, A. K., Kubicek, M., & Fleig, J. (2023). In situ electrochemical observation of anisotropic lattice contraction of La₀.₆Sr₀.₄FeO₃-δ electrodes during pulsed laser deposition. Physical Chemistry Chemical Physics, 25(1), 142–153. https://doi.org/10.1039/d2cp04977e ( reposiTUm)

Wang, J., Syed, K., Ning, S., Waluyo, I., Hunt, A., Crumlin, E. J., Opitz, A. K., Ross, C. A., Bowman, W. J., & Yildiz, B. (2022). Exsolution Synthesis of Nanocomposite Perovskites with Tunable Electrical and Magnetic Properties. Advanced Functional Materials, 32(9), 2108005. https://doi.org/10.1002/adfm.202108005 ( reposiTUm)

Siebenhofer, M., Riedl, C., Schmid, A., Limbeck, A., Opitz, A. K., Fleig, J., & Kubicek, M. (2022). Investigating oxygen reduction pathways on pristine SOFC cathode surfaces by in situ PLD impedance spectroscopy. Journal of Materials Chemistry A, 10(5), 2305–2319. https://doi.org/10.1039/d1ta07128a ( reposiTUm)

Riedl, C., Siebenhofer, M., Nenning, A., Friedbacher, G., Weiss, M., Rameshan, C., Bernardi, J., Limbeck, A., Kubicek, M., Opitz, A. K., & Fleig, J. (2022). Performance modulation through selective, homogenous surface doping of lanthanum strontium ferrite electrodes revealed by in situ PLD impedance measurements. Journal of Materials Chemistry A, 10(6), 2973–2986. https://doi.org/10.1039/d1ta08634k ( reposiTUm)

Herzig, C., Frank, J., Nenning, A., Gerstl, M., Bumberger, A., Fleig, J., Opitz, A. K., & Limbeck, A. (2022). Combining electrochemical and quantitative elemental analysis to investigate the sulfur poisoning process of ceria thin film fuel electrodes. Journal of Materials Chemistry A, 10(4), 1840–1851. https://doi.org/10.1039/d1ta06873c ( reposiTUm)

Riedl, C., Siebenhofer, M., Nenning, A., Schmid, A., Weiss, M., Rameshan, C., Limbeck, A., Kubicek, M., Opitz, A. K., & Fleig, J. (2022). In situ techniques reveal the true capabilities of SOFC cathode materials and their sudden degradation due to omnipresent sulfur trace impurities. Journal of Materials Chemistry A: Materials for Energy and Sustainability, 10(28), 14838–14848. https://doi.org/10.1039/D2TA03335F ( reposiTUm)

Nenning, A., Reuter, S., Schlesinger, R., Summerer, H., Rameshan, R., Lindenthal, L., Holzmann, M., Huber, T., Rameshan, C., Fleig, J., & Opitz, A. K. (2022). Surface and Defect Chemistry of Porous La0.6Sr0.4FeO3−δ Electrodes on Polarized Three-Electrode Cells. Journal of The Electrochemical Society, 169(9), Article 094508. https://doi.org/10.1149/1945-7111/ac908b ( reposiTUm)

Muhammad, Q. K., Scherer, M., Opitz, A. K., Taibl, S., Boehme, C., Rohnke, M., Janek, J., Gao, S., Fleig, J., & Frömling, T. (2022). Dislocation-Mediated Oxygen–Ionic Conductivity in Yttria-Stabilized Zirconia. ACS Nano, 16(10), 16655–16667. https://doi.org/10.1021/acsnano.2c06121 ( reposiTUm)

Amaya-Dueñas, D. M., Riegraf, M., Nenning, A., Opitz, A. K., Costa, R., & Friedrich, K. A. (2022). Operational Aspects of a Perovskite Chromite-Based Fuel Electrode in Solid Oxide Electrolysis Cells (SOEC). ACS Applied Energy Materials, 5(7), 8143–8156. https://doi.org/10.1021/acsaem.2c00680 ( reposiTUm)

Wang, J., Yang, J., Opitz, A. K., Kalaev, D., Nenning, A., Crumlin, E. J., Sadowski, J. T., Waluyo, I., Hunt, A., Tuller, H. L., & Yildiz, B. (2022). Strain-Dependent Surface Defect Equilibria of Mixed Ionic-Electronic Conducting Perovskites. Chemistry of Materials, 34(11), 5138–5150. https://doi.org/10.1021/acs.chemmater.2c00614 ( reposiTUm)

Lindenthal, L., Popovic, J., Rameshan, R., Huber, J., Schrenk, F., Ruh, T., Nenning, A., Löffler, S., Opitz, A., & Rameshan, C. (2021). Novel Perovskite Catalysts for CO2 Utilization - Exsolution Enhanced Reverse Water-Gas Shift Activity. Applied Catalysis B: Environmental, 292(120183), 120183. https://doi.org/10.1016/j.apcatb.2021.120183 ( reposiTUm)

Nenning, A., Holzmann, M., Fleig, J., & Opitz, A. K. (2021). Excellent kinetics of single-phase Gd-doped ceria fuel electrodes in solid oxide cells. Materials Advances, 2(16), 5422–5431. https://doi.org/10.1039/d1ma00202c ( reposiTUm)

Wang, J., Yang, J., Opitz, A. K., Bowman, W., Bliem, R., Dimitrakopoulos, G., Nenning, A., Waluyo, I., Hunt, A., Gallet, J.-J., & Yildiz, B. (2021). Tuning Point Defects by Elastic Strain Modulates Nanoparticle Exsolution on Perovskite Oxides. Chemistry of Materials, 33(13), 5021–5034. https://doi.org/10.1021/acs.chemmater.1c00821 ( reposiTUm)

Lindenthal, L., Popovic, J., Rameshan, R., Huber, J., Schrenk, F., Ruh, T., Nenning, A., Löffler, S., Opitz, A. K., & Rameshan, C. (2021). Novel perovskite catalysts for CO2 utilization - Exsolution enhanced reverse water-gas shift activity. Applied Catalysis B: Environmental, 292, 1–12. https://doi.org/10.1016/j.apcatb.2021.120183 ( reposiTUm)

Lindenthal, L., Rameshan, R., Summerer, H., Ruh, T., Popovic, J., Nenning, A., Löffler, S., Opitz, A., Blaha, P., & Rameshan, C. (2020). Modifying the Surface Structure of Perovskite-Based Catalysts by Nanoparticle Exsolution. Catalysts, 10(3), 268. https://doi.org/10.3390/catal10030268 ( reposiTUm)

Riedl, C., Schmid, A., Nenning, A., Summerer, H., Smetaczek, S., Schwarz, S., Bernardi, J., Opitz, A. K., Limbeck, A., & Fleig, J. (2020). Outstanding Oxygen Reduction Kinetics of La0.6Sr0.4FeO3−δ Surfaces Decorated with Platinum Nanoparticles. Journal of The Electrochemical Society, 167(10), 1–9. https://doi.org/10.1149/1945-7111/ab9c7f ( reposiTUm)

Nenning, A., Bischof, C., Fleig, J., Bram, M., & Opitz, A. K. (2020). The Relation of Microstructure, Materials Properties and Impedance of SOFC Electrodes: A Case Study of Ni/GDC Anodes. Energies, 13(4), 987. https://doi.org/10.3390/en13040987 ( reposiTUm)

Rameshan, R., Nenning, A., Raschhofer, J., Lindenthal, L., Ruh, T., Summerer, H., Opitz, A., Huber, T., & Rameshan, C. (2020). Novel Sample-Stage for Combined Near Ambient Pressure X-ray Photoelectron Spectroscopy, Catalytic Characterization and Electrochemical Impedance Spectroscopy. Crystals, 10(10), 947. https://doi.org/10.3390/cryst10100947 ( reposiTUm)

Lindenthal, L., Ruh, T., Rameshan, R., Summerer, H., Nenning, A., Herzig, C., Löffler, S., Limbeck, A., Opitz, A., Blaha, P., & Rameshan, C. (2020). Ca-doped rare earth perovskite materials for tailored exsolution of metal nanoparticles. Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials, 76(6), 1055–1070. https://doi.org/10.1107/s2052520620013475 ( reposiTUm)

Schmid, A., Nenning, A., Opitz, A., Kubicek, M., & Fleig, J. (2020). High Oxygen Exchange Activity of Pristine La0.6Sr0.4FeO3-δ Films and Its Degradation. Journal of The Electrochemical Society, 167(12), 124509. https://doi.org/10.1149/1945-7111/abac2b ( reposiTUm)

Herzig, C., Frank, J., Opitz, A. K., Fleig, J., & Limbeck, A. (2020). Quantitative imaging of structured complex metal oxide thin films using online-LASIL-ICP-MS. Talanta, 217(121012), 121012. https://doi.org/10.1016/j.talanta.2020.121012 ( reposiTUm)

Opitz, A. K., Nenning, A., Vonk, V., Volkov, S., Bertram, F., Summerer, H., Schwarz, S., Steiger-Thirsfeld, A., Bernardi, J., Stierle, A., & Fleig, J. (2020). Understanding electrochemical switchability of perovskite-type exsolution catalysts. Nature Communications, 11(4801). https://doi.org/10.1038/s41467-020-18563-w ( reposiTUm)

Udomsilp, D., Rechberger, J., Neubauer, R., Bischof, C., Thaler, F., Schafbauer, W., Menzler, N. H., de Haart, L. G. J., Nenning, A., Opitz, A. K., Guillon, O., & Bram, M. (2020). Metal-Supported Solid Oxide Fuel Cells with Exceptionally High Power Density for Range Extender Systems. Cell Reports Physical Science, 1(100072), 100072. https://doi.org/10.1016/j.xcrp.2020.100072 ( reposiTUm)

Hauser, D., Nenning, A., Opitz, A. K., Klötzer, B., & Penner, S. (2020). Spectro-electrochemical setup for in situ and operando mechanistic studies on metal oxide electrode surfaces. Review of Scientific Instruments, 91(8), 084104. https://doi.org/10.1063/5.0007435 ( reposiTUm)

Popovic, J., Lindenthal, L., Rameshan, R., Ruh, T., Nenning, A., Löffler, S., Opitz, A., & Rameshan, C. (2020). High Temperature Water Gas Shift Reactivity of Novel Perovskite Catalysts. Catalysts, 10(5), Article 582. https://doi.org/10.3390/catal10050582 ( reposiTUm)

Doppler, M. C., Fleig, J., Bram, M., & Opitz, A. K. (2019). Comparison of electrochemical hydrogen oxidation on different metal/ceramic model anodes and mechanistic implications. JPhys Energy, 1(3), Article 035001. https://doi.org/10.1088/2515-7655/ab1ece ( reposiTUm)

Thaler, F., Udomsilp, D., Schafbauer, W., Bischof, C., Fukuyama, Y., Miura, Y., Kawabuchi, M., Taniguchi, S., Takemiya, S., Nenning, A., Opitz, A. K., & Bram, M. (2019). Redox stability of metal-supported fuel cells with nickel/gadolinium doped ceria anode. Journal of Power Sources, 434(226751), 226751. https://doi.org/10.1016/j.jpowsour.2019.226751 ( reposiTUm)

Udomsilp, D., Thaler, F., Menzler, N. H., Bischof, C., de Haart, L. G. J., Opitz, A. K., Guillon, O., & Bram, M. (2019). Dual phase cathodes for metal-supported solid oxide fuel cells - processing, performance, durability. Journal of The Electrochemical Society, 166(8), F506–F510. https://doi.org/10.1149/2.0561908jes ( reposiTUm)

Bischof, C., Nenning, A., Malleier, A., Martetschläger, L., Gladbach, A., Schafbauer, W., Opitz, A. K., & Bram, M. (2019). Microstructure optimization of nickel/gadolinium doped ceria anodes as key to significantly increasing power density of metal-supported solid oxide fuel cells. International Journal of Hydrogen Energy, 44(59), 31475–31487. https://doi.org/10.1016/j.ijhydene.2019.10.010 ( reposiTUm)

Nenning, A., & Opitz, A. (2019). Low oxygen partial pressure increases grain boundary ion conductivity in Gd-doped ceria thin films. JPhys Energy, 2(1), Article 014002. https://doi.org/10.1088/2515-7655/ab3f10 ( reposiTUm)

Thaler, F., Nenning, A., Bischof, C., Udomsilp, D., de Haart, L. G. J., Opitz, A. K., & Bram, M. (2019). Optimized Cell Processing as the Key of High Electrochemical Performance of Metal-Supported Solid Oxide Fuel Cells. ECS Transactions, 91(1), 887–900. https://doi.org/10.1149/09101.0887ecst ( reposiTUm)

Nenning, A., Gerstl, M., Bram, M., & Opitz, A. K. (2019). Mechanistic Insight into Porous Electrode Impedance: An Example of Ni+YSZ Cermet Anodes. ECS Transactions, 91(1), 479–490. https://doi.org/10.1149/09101.0479ecst ( reposiTUm)

Herzig, C., Frank, J., Opitz, A. K., Fleig, J., & Limbeck, A. (2019). Quantitative analysis of gadolinium doped cerium oxide thin films via online-LASIL-ICP-OES. Journal of Analytical Atomic Spectrometry, 34(11), 2333–2339. https://doi.org/10.1039/c9ja00250b ( reposiTUm)

Opitz, A. K., Gerstl, M., & Bram, M. (2019). Model System Supported Impedance Simulation of Composite Electrodes. Fuel Cells, 19(4), 417–428. https://doi.org/10.1002/fuce.201800198 ( reposiTUm)

Doppler, M. C., Fleig, J., Bram, M., & Opitz, A. K. (2018). Hydrogen oxidation mechanisms on Ni/yttria stabilized zirconia anodes: Separation of reaction pathways by geometry variation of pattern electrodes. Journal of Power Sources, 380, 46–54. https://doi.org/10.1016/j.jpowsour.2018.01.073 ( reposiTUm)

Rupp, G. M., Kubicek, M., Opitz, A. K., & Fleig, J. (2018). In Situ Impedance Analysis of Oxygen Exchange on Growing La0.6Sr0.4CoO3−δ Thin Films. ACS Applied Energy Materials, 1(9), 4522–4535. https://doi.org/10.1021/acsaem.8b00586 ( reposiTUm)

Grünbacher, M., Götsch, T., Opitz, A., Klötzer, B., & Penner, S. (2018). CO2 Reduction on the Pre-reduced Mixed Ionic–Electronic Conducting Perovskites La0.6Sr-0.4FeO3-δ and SrTi0.7Fe0.3O3-δ. ChemPhysChem, 19(1), 93–107. https://doi.org/10.1002/cphc.201700970 ( reposiTUm)

Opitz, A. K., Rameshan, C., Kubicek, M., Rupp, G., Nenning, A., Götsch, T., Blume, R., Hävecker, M., Knop-Gericke, A., Rupprechter, G., Klötzer, B., & Fleig, J. (2018). The Chemical Evolution of the La0.6Sr0.4CoO3−δ Surface Under SOFC Operating Conditions and Its Implications for Electrochemical Oxygen Exchange Activity. Topics in Catalysis, 61, 2129–2141. https://doi.org/10.1007/s11244-018-1068-1 ( reposiTUm)

Haydn, M., Bischof, C., Udomsilp, D., Opitz, A., Bimashofer, G., Schafbauer, W., Brandner, M., & Bram, M. (2017). Metal Supported SOFCs: Electrochemical Performance under Various Testing Conditions. ECS Transactions, 328, 65–74. https://doi.org/10.1149/07801.1993ecst ( reposiTUm)

Udomsilp, D., Roehrens, D., Menzler, N. H., Bischof, C., de Haart, L. G. J., Opitz, A. K., Guillon, O., & Bram, M. (2017). High-Performance Metal-Supported Solid Oxide Fuel Cells by Advanced Cathode Processing. Journal of The Electrochemical Society, 164(13), F1375–F1384. https://doi.org/10.1149/2.0571713jes ( reposiTUm)

Bram, M., Udomsilp, D., Röhrens, D., Menzler, N., Opitz, A. K., de Haart, L. G. J., & Guillon, O. (2017). High Performance (La,Sr)(Co,Fe)O₃ Cathodes With Improved Adherence for Metal-Supported Fuel Cells. ECS Transactions, 78(1), 709–715. https://doi.org/10.1149/07801.0709ecst ( reposiTUm)

Udomsilp, D., Rohrens, D., Menzler, N., Opitz, A., Guillon, O., & Bram, M. (2017). Novel processing of La0.58Sr0.4Co0.2Fe0.8O3-δ cathodes for metal-supported fuel cells. Materials Letters, 192, 173–176. http://hdl.handle.net/20.500.12708/147108 ( reposiTUm)

Opitz, A. K., Nenning, A., Rameshan, C., Kubicek, M., Götsch, T., Blume, R., Hävecker, M., Knop-Gericke, A., Rupprechter, G., Klötzer, B., & Fleig, J. (2017). Surface Chemistry of Perovskite-Type Electrodes During High Temperature CO₂ Electrolysis Investigated by Operando Photoelectron Spectroscopy. ACS Applied Materials and Interfaces, 9(41), 35847–35860. https://doi.org/10.1021/acsami.7b10673 ( reposiTUm)

Walch, G., Rotter, B., Brunauer, G. C., Esmaeili, E., Opitz, A. K., Kubicek, M., Summhammer, J., Ponweiser, K., & Fleig, J. (2017). A solid oxide photoelectrochemical cell with UV light-driven oxygen storage in mixed conducting electrodes. Journal of Materials Chemistry A: Materials for Energy and Sustainability, 5(4), 1637–1649. https://doi.org/10.1039/c6ta08110j ( reposiTUm)

Ahamer, C., Opitz, A. K., Rupp, G. M., & Fleig, J. (2017). Revisiting the Temperature Dependent Ionic Conductivity of Yttria Stabilized Zirconia (YSZ). Journal of The Electrochemical Society. https://doi.org/10.1149/2.0641707jes ( reposiTUm)

Rupp, G. M., Opitz, A. K., Nenning, A., Limbeck, A., & Fleig, J. (2017). Real-time impedance monitoring of oxygen reduction during surface modification of thin film cathodes. Nature Materials, 16(6), 640–645. https://doi.org/10.1038/nmat4879 ( reposiTUm)

Ramasamy, M., Baumann, S. O., Opitz, A., Iskandar, R., Mayer, R. L., Udomsilp, D., Breuer, U., & Bram, M. (2017). Phase interaction and distribution in mixed ionic electronic conducting ceria-spinel composites. Ceramic Engineering and Science Proceedings, 37, 99–112. http://hdl.handle.net/20.500.12708/148042 ( reposiTUm)

Doppler, M. C., Fleig, J., Bram, M., & Opitz, A. (2016). The Capacitance of Nickel Pattern Electrodes on Zirconia Electrolyte. Journal of The Electrochemical Society, 163(10), H1019–H1025. http://hdl.handle.net/20.500.12708/148891 ( reposiTUm)

Biegger, F., Rameshan, C., Opitz, A. K., Noll, J., Haunold, T., Lang, H., & Barth, S. (2016). Thioether functionalised gallium and indium alkoxides in materials synthesis. New Journal of Chemistry, 40(8), 6962–6969. https://doi.org/10.1039/c6nj00402d ( reposiTUm)

Rojek-Wöckner, V., Opitz, A., Brandner, M., Mathe, J., & Bram, M. (2016). A novel Ni/ceria-based anode for metal-supported solid oxide fuel cells. Journal of Power Sources, 328, 65–74. http://hdl.handle.net/20.500.12708/148893 ( reposiTUm)

Arndt, B., Noei, H., Keller, T. F., Müller, P., Vonk, V., Nenning, A., Opitz, A. K., Fleig, J., Rütt, U., & Stierle, A. (2016). Structure and Stability of Gd-doped CeO₂ thin films on yttria-stabilized zirconia. Thin Solid Films, 603, 56–61. https://doi.org/10.1016/j.tsf.2016.01.043 ( reposiTUm)

Gerstl, M., Nenning, A., Iskandar, R., Rojek-Wöckner, V., Bram, M., Hutter, H., & Opitz, A. (2016). The Sulphur Poisoning Behaviour of Gadolinia Doped Ceria Model Systems in Reducing Atmospheres. Materials, 9(8), 649. https://doi.org/10.3390/ma9080649 ( reposiTUm)

Gerstl, M., Hutterer, A., Fleig, J., Bram, M., & Opitz, A. K. (2016). Model composite microelectrodes as a pathfinder for fully oxidic SOFC anodes. Solid State Ionics, 298, 1–8. https://doi.org/10.1016/j.ssi.2016.10.013 ( reposiTUm)

Nenning, A., Opitz, A. K., Rameshan, C., Rameshan, R., Blume, R., Hävecker, M., Knop-Gericke, A., Rupprechter, G., Klötzer, B., & Fleig, J. (2016). Ambient Pressure XPS Study of Mixed Conducting Perovskite-Type SOFC Cathode and Anode Materials under Well-Defined Electrochemical Polarization. Journal of Physical Chemistry C, 120(3), 1461–1471. https://doi.org/10.1021/acs.jpcc.5b08596 ( reposiTUm)

Fleig, J., Walch, G., Brunauer, G. C., Esmaeili, E., Summhammer, J., Opitz, A. K., & Ponweiser, K. (2016). Mixed conductors under light: On the way to solid oxide photo-electrochemical cells. ECS Transactions. https://doi.org/10.1149/07207.0023ecst ( reposiTUm)

Brunauer, G., Rotter, B., Walch, G., Esmaeili, E., Opitz, A., Ponweiser, K., Summhammer, J., & Fleig, J. (2016). UV-Light-Driven Oxygen Pumping in a High-Temperature Solid Oxide Photoelectrochemical Cell. Advanced Functional Materials, 26, 120–128. http://hdl.handle.net/20.500.12708/148363 ( reposiTUm)

Biegger, F., Rameshan, C., Opitz, A. K., Noll, J., Haunold, T., Lang, H., & Barth, S. C. (2016). Thioether functionalised gallium and indium alkoxides in materials synthesis. New Journal of Chemistry, 40, 6962–6969. https://doi.org/10.1039/C6NJ00402D ( reposiTUm)

Velicsanyi, P., Gerstl, M., Nenning, A., Hutter, H., Fleig, J., & Opitz, A. (2015). The Effect of Mn Co-doping on the Electrochemical Properties of Gd0.2Ce0.8O1.9-δ/Pt Model-composite Electrodes. ECS Transactions, 68(1), 1509–1516. http://hdl.handle.net/20.500.12708/150406 ( reposiTUm)

Opitz, A., Nenning, A., Rameshan, C., Rameshan, R., Blume, R., Hävecker, M., Knop-Gericke, A., Rupprechter, G., Fleig, J., & Klötzer, B. (2015). Beschleunigung der elektrochemischen Wasserspaltungskinetik durch polarisations-getriebene Bildung von oberflächennahem Eisen(0): Eine in-situ XPS Studie an Perowskit-Elektroden. Angewandte Chemie, 127, 2666–2670. http://hdl.handle.net/20.500.12708/150523 ( reposiTUm)

Opitz, A., Nenning, A., Rameshan, C., Rameshan, R., Blume, R., Hävecker, M., Knop-Gericke, A., Rupprechter, G., Fleig, J., & Klötzer, B. (2015). Improving electrochemical water-splitting kinetics by polarization-driven formation of near-surface Fe0: An in-situ XPS study on perovskite-type electrodes. Angewandte Chemie International Edition, 54, 2628–2632. http://hdl.handle.net/20.500.12708/150546 ( reposiTUm)

Opitz, A. K., Nenning, A., Kogler, S., Rameshan, C., Rameshan, R., Blume, R., Haevecker, M., Knop-Gericke, A., Rupprechter, G., Kloetzer, B., & Fleig, J. (2015). Water Splitting on Model-Composite La0.6Sr0.4FeO3-δ (LSF) Electrodes in H2/H2O Atmosphere. ECS Transactions, 68(1), 3333–3343. https://doi.org/10.1149/06801.3333ecst ( reposiTUm)

Rojek, V., Roehrens, D., Brandner, M., Menzler, N. H., Guillon, O., Opitz, A. K., & Bram, M. (2015). Development of High Performance Anodes for Metal-Supported Fuel Cells. ECS Transactions, 68(1), 1297–1307. https://doi.org/10.1149/06801.1297ecst ( reposiTUm)

Doppler, M. C., Fleig, J., & Opitz, A. K. (2015). The Influence of Sulfur Poisoning and YSZ Substrate Orientation on Electrochemical Properties of Nickel Pattern Anodes. ECS Transactions, 68(1), 1383–1390. https://doi.org/10.1149/06801.1383ecst ( reposiTUm)

Kogler, S., Nenning, A., Rupp, G. M., Opitz, A. K., & Fleig, J. (2015). Comparison of Electrochemical Properties of La0.6Sr0.4FeO3-δ Thin Film Electrodes: Oxidizing vs. Reducing Conditions. Journal of The Electrochemical Society, 162(3), F317–F326. https://doi.org/10.1149/2.0731503jes ( reposiTUm)

Huber, T. M., Kubicek, M., Opitz, A. K., & Fleig, J. (2015). The Relevance of Different Oxygen Reduction Pathways of La0.8Sr0.2MnO3 (LSM) Thin Film Model Electrodes. Journal of The Electrochemical Society, 162(3), F229–F242. https://doi.org/10.1149/2.0061503jes ( reposiTUm)

Huber, T. M., Opitz, A. K., & Fleig, J. (2015). Oxygen reduction via grain boundary transport in thin film platinum electrodes on yttria stabilized zirconia. Solid State Ionics, 273, 8–12. https://doi.org/10.1016/j.ssi.2014.11.006 ( reposiTUm)

Nenning, A., Navickas, E., Velicsanyi, P., Opitz, A. K., Hutter, H., & Fleig, J. (2015). Mapping electrochemically driven gas exchange of mixed conducting SrTi0.7Fe0.3-δ and Ce0.8Gd0.2O1.9 thin films by 18O tracer incorporation under reducing atmosphere. Solid State Ionics, 273, 25–29. https://doi.org/10.1016/j.ssi.2014.10.024 ( reposiTUm)

Thalinger, R., Opitz, A. K., Kogler, S., Heggen, M., Stroppa, D., Schmidmair, D., Tappert, R., Fleig, J., Klötzer, B., & Penner, S. (2015). Water-Gas Shift and Methane Reactivity on Reducible Perovskite-Type Oxides. Journal of Physical Chemistry C, 119(21), 11739–11753. https://doi.org/10.1021/acs.jpcc.5b02947 ( reposiTUm)

Huber, T. M., Opitz, A. K., Kubicek, M., Hutter, H., & Fleig, J. (2014). Temperature gradients in microelectrode measurements: Relevance and solutions for studies of SOFC electrode materials. Solid State Ionics, 268, 82–93. https://doi.org/10.1016/j.ssi.2014.10.002 ( reposiTUm)

Nenning, A., Opitz, A. K., Huber, T. M., & Fleig, J. (2014). A novel approach for analyzing electrochemical properties of mixed conducting solid oxide fuel cell anode materials by impedance spectroscopy. Physical Chemistry Chemical Physics, 16(40), 22321–22336. https://doi.org/10.1039/c4cp02467b ( reposiTUm)

Kubicek, M., Holzlechner, G., Opitz, A. K., Larisegger, S., Hutter, H., & Fleig, J. (2014). A novel ToF-SIMS operation mode for sub 100 nm lateral resolution: Application and performance. Applied Surface Science, 289, 407–416. https://doi.org/10.1016/j.apsusc.2013.10.177 ( reposiTUm)

Kubicek, M., Rupp, G. M., Huber, S., Penn, A., Opitz, A. K., Bernardi, J., Stöger-Pollach, M., Hutter, H., & Fleig, J. (2014). Cation diffusion in La0.6Sr0.4CoO3−δ below 800 °C and its relevance for Sr segregation. Physical Chemistry Chemical Physics, 16(6), 2715. https://doi.org/10.1039/c3cp51906f ( reposiTUm)

Walch, G., Opitz, A. K., Kogler, S., & Fleig, J. (2014). Correlation between hydrogen production rate, current, and electrode overpotential in a solid electrolysis cell with La0.6Sr0.4FeO3-δ thin-film cathode. MONATSHEFTE FUR CHEMIE, 145(7), 1055–1061. https://doi.org/10.1007/s00706-014-1220-y ( reposiTUm)

Opitz, A. K., Kubicek, M., Huber, S., Huber, T., Holzlechner, G., Hutter, H., & Fleig, J. (2013). Thin film cathodes in SOFC research: How to identify oxygen reduction pathways? Journal of Materials Research, 28(16), 2085–2105. https://doi.org/10.1557/jmr.2013.216 ( reposiTUm)

Hörlein, M. P., Opitz, A. K., & Fleig, J. (2013). On the variability of oxygen exchange kinetics of platinum model electrodes on yttria stabilized zirconia. Solid State Ionics, 247–248, 56–65. https://doi.org/10.1016/j.ssi.2013.04.023 ( reposiTUm)

Opitz, A. K., Hörlein, M. P., Huber, T., & Fleig, J. (2012). Current-Voltage Characteristics of Platinum Model Electrodes on Yttria-Stabilized Zirconia. Journal of The Electrochemical Society. https://doi.org/10.1149/2.044205jes ( reposiTUm)

Fleig, J., Schintlmeister, A., Opitz, A. K., & Hutter, H. (2011). The determination of the three-phase boundary width of solid oxide fuel cell cathodes by current-driven ¹⁸O tracer incorporation. Scripta Materialia, 65(2), 78–83. https://doi.org/10.1016/j.scriptamat.2010.07.022 ( reposiTUm)

Fleig, J., Opitz, A., Schintlmeister, A., Kubicek, M., & Hutter, H. (2011). Monitoring Active and Resistive Zones of SOFC Cathodes by Voltage Driven Tracer Incorporation. ECS Transactions, 35(1), 2217–2226. https://doi.org/10.1149/1.3570216 ( reposiTUm)

Opitz, A. K., Lutz, A., Kubicek, M., Kubel, F., Hutter, H., & Fleig, J. (2011). Investigation of the oxygen exchange mechanism on Pt|yttria stabilized zirconia at intermediate temperatures: Surface path versus bulk path. Electrochimica Acta, 56(27), 9727–9740. https://doi.org/10.1016/j.electacta.2011.07.112 ( reposiTUm)

Opitz, A. K., Schintlmeister, A., Hutter, H., & Fleig, J. (2010). Visualization of oxygen reduction sites at Pt electrodes on YSZ by means of ¹⁸O tracer incorporation: the width of the electrochemically active zone. Physical Chemistry Chemical Physics, 12(39), 12734. https://doi.org/10.1039/c0cp00309c ( reposiTUm)

Opitz, A. K., & Fleig, J. (2010). Investigation of O₂ reduction on Pt/YSZ by means of thin film microelectrodes: The geometry dependence of the electrode impedance. Solid State Ionics, 181(15–16), 684–693. https://doi.org/10.1016/j.ssi.2010.03.017 ( reposiTUm)

Januschewsky, J., Ahrens, M., Opitz, A., Kubel, F., & Fleig, J. (2009). Optimized La0.6Sr0.4CoO3-δ Thin-Film Electrodes with Extremely Fast Oxygen-Reduction Kinetics. Advanced Functional Materials, 19(19), 3151–3156. https://doi.org/10.1002/adfm.200900362 ( reposiTUm)

Rath, K., Melcher, C., & Opitz, A. K. (2024). Expanding Horizons – A Multi-analytical Study of Chemical Expansion in Gd-doped Ceria. In PoI24 Power of Interfaces (pp. 37–37). ( reposiTUm)

Zehetner, M., Viernstein, A., & Opitz, A. K. (2024). New materials for powder-based oxygen ion batteries. In PoI24 Power of Interfaces (pp. 38–38). ( reposiTUm)

Anstiss, M., Weiss, M., Limbeck, A., Opitz, A. K., & Weil, M. (2024). A Novel Sample Cell for Innovative Materials Analytics: Detection of Protons in Ceramic Materials through In-Situ Integration of Laser-Induced Breakdown Spectroscopy. In Proceedings of 24th International Conference on Solid State Ionics (SSI24) (pp. 645–645). ( reposiTUm)

Anstiss, M., Weiss, M., Weil, M., & Opitz, A. K. (2024). Proton Uptake in Perovskite Structures: Insights from In-situ Techniques on BaFe0.8Y0.2O3-δ. In Proceedings of 24th International Conference on Solid State Ionics (SSI24) (pp. 199–200). ( reposiTUm)

Weiss, M., Huber, T., Wimmer, C., Rath, K., & Opitz, A. K. (2024). Optimization and application of a novel two-volume measurement setup for high-temperature electrolyzer cells. In Proceedings of 24th International Conference on Solid State Ionics (SSI24) (pp. 649–649). ( reposiTUm)

Opitz, A. K. (2024). Small Tweaks with Big Impact: Manipulating Catalytic Activity of Mixed Conducting Electrodes by Surface Chemistry Modification. In Proceedings of 24th International Conference on Solid State Ionics (SSI24) (pp. 45–46). ( reposiTUm)

Rath, K., Melcher, C., Hoffrogge, P. W., Schneider, D., Nestler, B., & Opitz, A. K. (2024). Beyond the Surface: Probing the Dynamics of Fluorite-Based Solid Oxide Electrolysis Cathodes Through Advanced Multi-Analytical Techniques. In Proceedings of 24th International Conference on Solid State Ionics (SSI24) (pp. 225–226). http://hdl.handle.net/20.500.12708/210411 ( reposiTUm)

Melcher, C., Nenning, A., Schrenk, F., Rath, K., Rameshan, C., & Opitz, A. K. (2024). Exploring Metal-Support Interactions in Solid Oxide Electrolysis Cathodes by in-situ Surface Analytics. In Proceedings of 24th International Conference on Solid State Ionics (SSI24) (pp. 277–277). http://hdl.handle.net/20.500.12708/210409 ( reposiTUm)

Opitz, A. K., Summerer, H., Rath, K., Nenning, A., Rameshan, C., Schachinger, T., Stöger-Pollach, M., Bernardi, J., & Fleig, J. (2024). Catalyst Nano-Particles Exsolved from Mixed Conducting Electrodes as a Plaything of Atmosphere and Electrochemistry. In S. Emin, D. Eder, A. Zak, P. Kulesza, & P. Mladenova (Eds.), International Conference on Functional Nanomaterials and Nanodevices : Abstract Booklet (pp. 99–99). zape4at.com. http://hdl.handle.net/20.500.12708/210410 ( reposiTUm)

Nastran, M., Peschek, P., Ilic, M., Walendzik, I., Rath, J., Fickl, B., Schubert, J. S., Sauer, M., Foelske, A., Böhme, C., Opitz, A. K., Gachot, C., Jochen Schmidt, Eder, D., & Bayer, B. C. (2024). Elucidating the parameter space for post-process-free, printable, electrically conductive, high-loading graphene nanoplatelet coatings. In International Conference on Functional Nanomaterials and Nanodevices: Abstract Booklet (pp. 185–185). http://hdl.handle.net/20.500.12708/208327 ( reposiTUm)

Nenning, A., Opitz, A. K., Siebenhofer, M., Riedl, C., Rameshan, R., Rameshan, C., & Fleig, J. (2024). What can In-situ XPS Tell us About Reaction Mechanisms on Solid Oxide Cell Electrodes? In Proceedings of 24th International Conference on Solid State Ionics (SSI24) (pp. 317–318). http://hdl.handle.net/20.500.12708/210434 ( reposiTUm)

Kronlachner, L., Lenz, L., Holzer, A., Opitz, A. K., & Limbeck, A. (2023). Liquid standard addition calibration for laser ablation inductively coupled plasma optical emission spectrometry. In V. S. Selih & M. Sala (Eds.), Book of abstracts of the 19th European Winter Conference on Plasma Spectrochemistry (pp. 313–313). ( reposiTUm)

Weiss, M., Holzer, A., Krammer, M., Huber, T., Opitz, A. K., & Limbeck, A. (2023). Laser-induced breakdown spectroscopy as an universal platform for investigating proton conducting oxides. In V. S. Selih & M. Sala (Eds.), Book of abstracts of the 19th European Winter Conference on Plasma Spectrochemistry (pp. 318–318). National lnstitute of Chemistry. https://doi.org/10.34726/5357 ( reposiTUm)

Rameshan, R., Lindenthal, L., Schrenk, F., Ruh, T., Nenning, A., Opitz, A., & Rameshan, C. (2021). Tailoring of Catalyst Surfaces for Energy Conversion - In-situ Studies of Electrochemical driven Nanoparticle Exsolution. In E-MRS 2021 Fall Meeting (p. 1). http://hdl.handle.net/20.500.12708/50824 ( reposiTUm)

Rameshan, R., Lindenthal, L., Popovic, J., Ruh, T., Raschhofer, J., Nenning, A., Opitz, A., & Rameshan, C. (2020). Enhancing Catalytic Activity of Perovskites by Tailored Exsolution. In 3s’2020 Symposium On Surface Science 2020 (pp. 39–40). http://hdl.handle.net/20.500.12708/50768 ( reposiTUm)

Bram, M., Thaler, F., Bischof, C., Udomsilp, D., & Opitz, A. (2020). Recent progress in the development of metal-supportes fuel cells. In European Powder Metallurgy Congress and Exhibition (p. 156875). Proc. Euro PM 2018. http://hdl.handle.net/20.500.12708/50789 ( reposiTUm)

Herzig, C., Frank, J., Opitz, A. K., Fleig, J., & Limbeck, A. (2020). Quantitative imaging of structured complex metal oxide thin films using online-LASIL-ICP-MS. In 2020 Winter Conference on Plasma Spectrochemistry. Abstracts. 2020 Winter Conference on Plasma Spectrochemistry, Tucson, Arizona, United States of America (the). http://hdl.handle.net/20.500.12708/50796 ( reposiTUm)

Huber, T., Schmid, A., Viernstein, A., Kubicek, M., Opitz, A., & Fleig, J. (2019). Improvement of Experimental Tools für Investigating Individual Electrodes of Solid Oxide Cells. In International Conference on ElectroCeramics (ICE) (p. 76). http://hdl.handle.net/20.500.12708/50508 ( reposiTUm)

Lindenthal, L., Rameshan, R., Popovic, J., Ruh, T., Raschhofer, J., Nenning, A., Opitz, A., & Rameshan, C. (2019). Tailoring Catalyst Surfaces for Chemical Energy Conversion - Operando Spectroscopic Studies of Nanoparticle Exsolution. In E-MRS Conference Programme - Fall Meeting 2019 (p. 323). http://hdl.handle.net/20.500.12708/50522 ( reposiTUm)

Rameshan, R., Lindenthal, L., Ruh, T., Raschhofer, J., Nenning, A., Opitz, A., & Rameshan, C. (2019). Enhancing Catalytic Activity of Perovskites by Tailored Exsolution. In XI International Conference “Mechanisms of Catalytic Reactions” (p. 24). http://hdl.handle.net/20.500.12708/50536 ( reposiTUm)

Lindenthal, L., Popovic, J., Rameshan, R., Ruh, T., Opitz, A., & Rameshan, C. (2019). Nanoparticle Exsolution: Tailored Catalyst Surfaces For Energy Conversion. In 18. Österreichische Chemietage (p. 1). http://hdl.handle.net/20.500.12708/50523 ( reposiTUm)

Herzig, C., Frank, J., Morgenbesser, M., Opitz, A., Fleig, J., & Limbeck, A. (2019). Analysis of Complex Metal Oxide Thin Films by Online-LASIL with ICP-MS Detection. In Programme. 2019 European Winter Conference on Plasma Spectrochemistry, Pau, France. http://hdl.handle.net/20.500.12708/50602 ( reposiTUm)

Herzig, C., Frank, J., Opitz, A., Fleig, J., & Limbeck, A. (2019). Progresses in quantitative imaging of complex metal oxide thin films with online-LASIL-ICP-MS. In Book of Abstracts (p. 1). http://hdl.handle.net/20.500.12708/50636 ( reposiTUm)

Lindenthal, L., Popovic, J., Raschhofer, J., Rameshan, R., Nenning, A., & Opitz, A. (2019). Characterisation of Novel Doped Perovskite Catalysts by XRD, XPS and SEM - Tailored Exsolution of Metal Nanoparticles. In 14th EuropaCat - European Congress on Catalysis “Catalysis without Borders” (pp. 582–583). http://hdl.handle.net/20.500.12708/50637 ( reposiTUm)

Herzig, C., Frank, J., Opitz, A., Fleig, J., & Limbeck, A. (2019). Application of online-laser ablation of solids in liquid (LASIL) for analytical characterisation of complex metal oxide (CMO) thin films. In Abstracts. 20. Tagung Festkörperanalytik - 20th Conference on Solid State Analysis, Wien, Austria. http://hdl.handle.net/20.500.12708/50625 ( reposiTUm)

Herzig, C., Frank, J., Morgenbesser, M., Opitz, A., Fleig, J., & Limbeck, A. (2019). Spatially resolved analysis of complex metal oxide thin films using recently developed online-LASIL technique coupled with ICP-MS detection. In Programm (p. 109). http://hdl.handle.net/20.500.12708/50588 ( reposiTUm)

Herzig, C., Frank, J., Opitz, A., Fleig, J., & Limbeck, A. (2019). Stoichiometry determination of Gd doped CeO2 thin films using online-LASIL and ICP-OES detection. In Program and Book of Abstracts (p. 218). http://hdl.handle.net/20.500.12708/50587 ( reposiTUm)

Herzig, C., Frank, J., Morgenbesser, M., Opitz, A., Fleig, J., & Limbeck, A. (2019). Using online-LASIL for stoichiometry determination of Fe doped SrTiO3 thin films. In Programme. 2019 European Winter Conference on Plasma Spectrochemistry, Pau, France. http://hdl.handle.net/20.500.12708/50599 ( reposiTUm)

Lindenthal, L., Popovic, J., Raschhofer, J., Ruh, T., Rameshan, R., Nenning, A., Opitz, A., & Rameshan, C. (2019). Nanoparticle Exsolution: Tailoring Catalyst Surfaces and their Reactivity in Operando in Real Time by Polarization. In 52. Jahrestagung Deutscher Katalytiker (p. 16). DECHEMA. http://hdl.handle.net/20.500.12708/50396 ( reposiTUm)

Lindenthal, L., Popovic, J., Raschhofer, J., Ruh, T., Rameshan, R., Nenning, A., Opitz, A., & Rameshan, C. (2019). Enhancing Catalytic Activity by Electrochemically driven Metal Nanoparticle Exsolution - Controlling the Catalyst Surface Structure in Real Time. In Operando Surface Catalysis Meeting (p. 35). http://hdl.handle.net/20.500.12708/50420 ( reposiTUm)

Lindenthal, L., Popovic, J., Raschhofer, J., Ruh, T., Rameshan, R., Nenning, A., Opitz, A., & Rameshan, C. (2019). Characterization of novel doped perovskite catalysts - tailored exsolution of metal nanoparticles. In Vienna Young Scientists Symposium (pp. 98–99). Book-of-Abstracts.com / D.I. Krebs. http://hdl.handle.net/20.500.12708/50753 ( reposiTUm)

Lindenthal, L., Popovic, J., Raschhofer, J., Rameshan, R., Nenning, A., Opitz, A., & Rameshan, C. (2019). Nanoparticle Exsolution: Enhancing Catalyst Reactivity Under Reaction Conditions. In Vienna Young Scientists Symposium (pp. 70–71). Book-of-Abstracts.com / D.I. Krebs. http://hdl.handle.net/20.500.12708/50755 ( reposiTUm)

Rameshan, C., Opitz, A., Rameshan, R., & Lindenthal, L. (2018). Enhancing Catalytic Activity By Electrochemically Driven Metal Nanoparticle Exsolution. In VSS 2018 (pp. 124–125). Book-of-Abstracts.com. http://hdl.handle.net/20.500.12708/50182 ( reposiTUm)

Limbeck, A., Herzig, C., Lohninger, J., Opitz, A., & Fleig, J. (2018). Stoichiometry determination of complex-metal-oxide thin films using LA-ICP-MS combined with a novel quantification strategy. In Programm / Beitragskurzfassungen (p. 27). http://hdl.handle.net/20.500.12708/50367 ( reposiTUm)

Herzig, C., Frank, J., Morgenbesser, M., Opitz, A., Fleig, J., & Limbeck, A. (2018). Recent Improvements In The Analysis Of Complex Metal Oxide Thin Films Using Online Laser Ablation Of Solids In Liquids. In Book of Abstracts (p. 53). http://hdl.handle.net/20.500.12708/50358 ( reposiTUm)

Herzig, C., Opitz, A., Fleig, J., & Limbeck, A. (2018). Application of LA-ICP-MS for Characterisation of Metal Oxide Thin Films Produced by Pulsed Laser Depostion. In Book of Abstracts (p. 121). http://hdl.handle.net/20.500.12708/50360 ( reposiTUm)

Rameshan, C., Opitz, A., Nenning, A., Kubicek, M., Barrabés-Rabanal, N., Götsch, T., Rameshan, R., Blume, R., Hävecker, M., Knop-Gericke, A., Klötzer, B., Fleig, J., & Rupprechter, G. (2018). Enhancing Catalytic Activity by Electrochemically driven Metal Nanoparticle Exsolution - Water and C02 Electrolysis. In OperandoVI - 6th International Congress on Operando Spectroscopy (p. 72). http://hdl.handle.net/20.500.12708/50145 ( reposiTUm)

Kubicek, M., Navickas, E., Rupp, G., Nenning, A., Opitz, A., Hutterer, A., & Fleig, J. (2018). Surface reaction mechanisms and transport kinetics of perovskite mixed conducting oxide thin films. In Materials Science Engineering 2018 (p. 57). http://hdl.handle.net/20.500.12708/50236 ( reposiTUm)

Summerer, H., Taibl, S., Bram, M., Fleig, J., & Opitz, A. (2018). LaFeO3-based mixed conducting anodes for proton conducting solid oxide fuel cells: A study employing model‐composite electrodes. In Electroceramics XVI (p. 176). http://hdl.handle.net/20.500.12708/50186 ( reposiTUm)

Nenning, A., Gerstl, M., Bram, M., Fleig, J., & Opitz, A. (2018). Separation of mixed, grain and grain boundary conductivity in Gd‐doped Ceria thin films and their response to sulfur poisoning. In Electroceramics XVI (p. 106). http://hdl.handle.net/20.500.12708/50187 ( reposiTUm)

Hutterer, A., Fleig, J., & Opitz, A. (2018). Teaching an old dog new tricks: Hysteretic behavior of the polarization resistance of Pt(O2)/YSZ model electrodes. In E-MRS Spring Meeting 2018. E-MRS Spring Meeting 2018, Strasbourg, France. https://www.european-mrs.com/solid-state-ionics-advanced-functional-materials-solid-state-devices-emrs. http://hdl.handle.net/20.500.12708/50168 ( reposiTUm)

Nenning, A., Fleig, J., & Opitz, A. (2018). XPS study of SOFC anode surface chemistry at high temperature and controlled oxygen activity. In Electroceramics XVI (p. 211). http://hdl.handle.net/20.500.12708/50184 ( reposiTUm)

Opitz, A., Nenning, A., Rameshan, C., Kubicek, M., Götsch, T., Blume, R., Hävecker, M., Knop-Gericke, A., Rupprechter, G., Klötzer, B., & Fleig, J. (2018). High temperature CO2 Electrolysis on Perovskite-Type eLectrodes: Evolution of Surface Chemistry Studied by Operando Photoelectron Spectroscopy. In E-MRS Spring Meeting 2018. E-MRS Spring Meeting 2018, Strasbourg, France. https://www.european-mrs.com/solid-state-ionics-advanced-functional-materials-solid-state-devices-emrs. http://hdl.handle.net/20.500.12708/50166 ( reposiTUm)

Rameshan, C., Pramhaas, V., Haunold, T., Rameshan, R., Lindenthal, L., Nenning, A., Opitz, A., & Rupprechter, G. (2018). Correlating Structure and Reactivity on Model Catalysts by Operando Studies - Catalysts for Environmental and Energy Applications. In 14th Pannonien International Symposium on Catalysis (p. 66). http://hdl.handle.net/20.500.12708/50225 ( reposiTUm)

Thaler, F., Udomsilp, D., Schafbauer, W., Bischof, C., Fukuyama, Y., Kawabuchi, M., Taniguchi, S., Takemiya, S., Opitz, A., & Bram, M. (2018). 13th EUROPEAN SOFC & SOE FORUM 2018. In Redox Cycling of Ni/YSZ and Ni/GDC Anodes for Metal-Supported Fuel Cells (pp. 18–27). http://hdl.handle.net/20.500.12708/50171 ( reposiTUm)

Opitz, A., Gerstl, M., & Bram, M. (2018). 13th EUROPEAN SOFC & SOE FORUM 2018. In Model-system supported impedance simulation of composite electrodes (pp. 90–105). http://hdl.handle.net/20.500.12708/50172 ( reposiTUm)

Udomsilp, D., Thaler, F., Bischof, C., Menzler, N., de Haart, L. G. J., Opitz, A., Guillon, O., & Bram, M. (2018). 13th EUROPEAN SOFC & SOE FORUM 2018. In Ex Situ Sintering of Dual-Phase Cathodes for Metal- Supported Fuel Cells (pp. 115–122). http://hdl.handle.net/20.500.12708/50170 ( reposiTUm)

Bram, M., Thaler, F., Schafbauer, W., Rechberger, J., & Opitz, A. (2017). Metallgestützte Brennstoffzellen für die Bordstromversorgung von LKWs und für die Erhöhung der Reichweite von Batteriefahrzeugen. In Pulvermetallurgie - Schlüssel zur Mobilität (pp. 1–23). Pulvermetallurgie in Wissenschaft und Praxis. http://hdl.handle.net/20.500.12708/50058 ( reposiTUm)

Opitz, A., Rupp, G., Nenning, A., Rameshan, C., Götsch, T., Limbeck, A., Volkov, S., Vonk, V., Rameshan, R., Blume, R., Hävecker, M., Bertram, F., Knop-Gericke, A., Rupprechter, G., Stierle, A., Klötzer, B., & Fleig, J. (2017). On the surface chemistry of perovskite-type model electrodes: Gaining insights by in-situ spectroscopy and surface modification under electrochemical operation. In International FOXSI Conference, May 15-17, 2017 TUtheSky Lounge, TU Vienna (p. 1). http://hdl.handle.net/20.500.12708/49824 ( reposiTUm)

Gerstl, M., Doppler, M., Bram, M., Fleig, J., & Opitz, A. (2017). Gadolinia doped ceria model systems and model composites as a pathfinder for sulfur tolerant and redox stable SOFC anodes. In Solid State Ionics (pp. 322–323). http://hdl.handle.net/20.500.12708/49829 ( reposiTUm)

Doppler, M., Fleig, J., & Opitz, A. (2017). Reaction Pathways in Ni /Yttria Stabilized Zirconia Anodes. In Solid State Ionics (p. 363). http://hdl.handle.net/20.500.12708/49830 ( reposiTUm)

Opitz, A. (2017). In-situ Studying and Modifying Surface Chemistry of Perovskite-Type Electrodes under Electrochemical Operation. In Solid State Ionics (p. 308). http://hdl.handle.net/20.500.12708/49828 ( reposiTUm)

Walch, G., Rotter, B., Brunauer, G., Esmaeili, E., Opitz, A., Summhammer, J., Ponweiser, K., & Fleig, J. (2016). Effect of light on mixed conducting electrodes in high-temperature solid oxide electrochemical cells. In 5. GÖCH Symposium 2016 “Physikalische Chemie in Österreich” (p. 8). http://hdl.handle.net/20.500.12708/49261 ( reposiTUm)

Hutterer, A., Opitz, A., Nenning, A., & Fleig, J. (2016). Al-doped ZnO as Current Collector in Ceria based Anodes for Solid Oxide Fuel Cell (SOFCs):Preparation, Stability and Electrochemical Properties. In 5. GÖCH Symposium 2016 “Physikalische Chemie in Österreich” (p. 31). http://hdl.handle.net/20.500.12708/49262 ( reposiTUm)

Doppler, M., Fleig, J., & Opitz, A. (2016). Capactive behavior of Nickel pattern electrodes on YSZ substrates. In 5. GÖCH Symposium 2016 “Physikalische Chemie in Österreich” (p. 9). http://hdl.handle.net/20.500.12708/49263 ( reposiTUm)

Morgenbesser, M., Gerstl, M., Fleig, J., Bram, M., & Opitz, A. (2016). Optimizing Model-Type SOFC Anodes by Defect Chemical Engineering of (La,Sr)(Cr,Mn)03. In Spring Meeting 2016 (p. D-5). http://hdl.handle.net/20.500.12708/49270 ( reposiTUm)

Opitz, A., Nenning, A., Rameshan, C., Volkov, S., Vonk, V., Rameshan, R., Blume, R., Hävecker, M., Bertram, F., Knop-Gericke, A., Rupprechter, G., Stierle, A., Klötzer, B., & Fleig, J. (2016). Enhancing electrolysis performance of perovskite-type electrodes by polarization-driven exsolution of metallic catalyst particles: A synchrotron-based in-situ XRD and XPS study of near-surface chemistry. In MLZ Conference: Neutrons for Energy (p. 16). http://hdl.handle.net/20.500.12708/49326 ( reposiTUm)

Opitz, A., Nenning, A., Rameshan, C., Volkov, S., Vonk, V., Rameshan, R., Blume, R., Havecker, M., Bertram, F., Knop-Gericke, A., Rupprechter, G., Stierle, A., Klötzer, B., & Fleig, J. (2016). Electrochemical Switching of Bulk Properties and Surface Functionality of Perovskite Electrodes - An In-situ XRD and XPS Study. In Spring Meeting 2016 (pp. CC–7). http://hdl.handle.net/20.500.12708/49274 ( reposiTUm)

Gerstl, M., Fleig, J., Hutter, H., Bram, M., & Opitz, A. (2016). Sulfur Poisoning of ceria-based model composite anodes: Identifying elementary processes in degradation behaviour. In Spring Meeting 2016 (p. D-15). http://hdl.handle.net/20.500.12708/49273 ( reposiTUm)

Fleig, J., Walch, G., Brunauer, G., Rotter, B., Esmaeili, E., Summhammer, J., Opitz, A., & Ponweiser, K. (2016). Mixed Conductors under Light: On the Way to Solid Oxide Photo-Electrochemical Cells. In 229 ECS Meeting (p. 1350). http://hdl.handle.net/20.500.12708/49295 ( reposiTUm)

Ramasamy, M., Baumann, S. O., Opitz, A., Iskandar, R., Mayer, J., Udomsilp, D., Breuer, U., & Bram, M. (2016). Phase Interaction And Distribution In Mixed Ionic Electronic Conducting Ceria-Spinel Composites. In 40th International Conference and Expo on Advanced Ceramics and Composites. 40th International Conference and Expo on Advanced Ceramics and Composites, Daytona Beach, Florida, United States of America (the). http://hdl.handle.net/20.500.12708/49332 ( reposiTUm)

Fleig, J., Walch, G., Opitz, A., Kubicek, M., Brunauer, G., Rotter, B., & Ponweiser, K. (2016). Solid Oxide Photo-electrochemistry with Oxides “Breathing” upon UV Light and Solar Cells Operating at 400°C. In Pacific Rim Meeting on electrochemical and Solid-State Science (p. 4184). http://hdl.handle.net/20.500.12708/49400 ( reposiTUm)

Walch, G., Rotter, B., Brunauer, G., Esmaeili, E., Opitz, A., Summhammer, J., Ponweiser, K., & Fleig, J. (2015). Light-induced stoichiometry changes in oxides at high temperatures. In 15th European Conference on Solid State Chemistry (p. 242). http://hdl.handle.net/20.500.12708/48928 ( reposiTUm)

Hutterer, A., Opitz, A., & Fleig, J. (2015). Al-doped ZnO as Current Collector in Oxide Anodes for Solid Oxide Fuel Cell (SOFCs):Preparation, Stability and Electrochemical Properties. In 16. Österreichische Chemietage. 16. Österreichische Chemietage, Innsbruck, Austria. http://hdl.handle.net/20.500.12708/48948 ( reposiTUm)

Doppler, M., Fleig, J., & Opitz, A. (2015). Sulfur Poisoning of Micro-Patterned Ni Anodes on Yttria Stabilized Zirconia Solid Electrolytes. In 16. Österreichische Chemietage. 16. Österreichische Chemietage, Innsbruck, Austria. http://hdl.handle.net/20.500.12708/48947 ( reposiTUm)

Opitz, A., Nenning, A., Kogler, S., Rameshan, C., Rameshan, R., Blume, R., Haevecker, M., Knop-Gericke, A., Rupprechter, G., Kloetzer, B., & Fleig, J. (2015). Water Splitting on Model-Composite La0.6Sr0.4FeO3-δ (LSF) Electrodes in H2/H2O Atmosphere. In Solid Oxide Fuel Cells 14 (SOFC-XIV). ECS Conference on Electrochemical Energy Conversion & Storage with SOFC-XIV, Glasgow, United Kingdom of Great Britain and Northern Ireland (the). The Electrochemical Society. http://hdl.handle.net/20.500.12708/48922 ( reposiTUm)

Gerstl, M., Doppler, M., Nenning, A., Brandner, M., Bram, M., Fleig, J., & Opitz, A. (2015). Model composite electrodes as a tool to evaluate the sulphur poisoning behaviour of alternative SOFC anode materials. In Solid Oxide Fuel Cells 14 (SOFC-XIV). ECS Conference on Electrochemical Energy Conversion & Storage with SOFC-XIV, Glasgow, United Kingdom of Great Britain and Northern Ireland (the). The Electrochemical Society. http://hdl.handle.net/20.500.12708/48924 ( reposiTUm)

Brunauer, G., Walch, G., Rotter, B., Esmaeili, E., Opitz, A., Fafilek, G., Ponweiser, K., & Fleig, J. (2015). Experimental Results Of La0.8sr0.2cro3/srtio3(100) Heterostructure Used For A Hightemperature Photovoltaic Cell. In New trends in apllication of photo and electro catalysis (pp. 14–16). http://hdl.handle.net/20.500.12708/49157 ( reposiTUm)

Doppler, M., Fleig, J., & Opitz, A. (2015). The Influence of Sulfur Poisoning and YSZ Substrate Orientation on Electrochemical Properties of Nickel Pattern Anodes. In Solid Oxide Fuel Cells 14 (SOFC-XIV). ECS Conference on Electrochemical Energy Conversion & Storage with SOFC-XIV, Glasgow, United Kingdom of Great Britain and Northern Ireland (the). The Electrochemical Society. http://hdl.handle.net/20.500.12708/48923 ( reposiTUm)

Navickas, E., Huber, T., Opitz, A., Hutter, H., & Fleig, J. (2015). The relevance of different oxygen reduction pathways in polarized Sr-doped LaMnO3 (LSM) thin film SOFC electrodes. In 14th International Conference European Ceramic Society (p. 99). http://hdl.handle.net/20.500.12708/48906 ( reposiTUm)

Bram, M., Rojek, V., Opitz, A., Röhrens, D., Brandner, M., Menzler, N., & Guillon, O. (2015). Development of High Performance Anodes for Metal-Supported Fuel Cells. In Solid Oxide Fuel Cells 14 (SOFC-XIV). ECS Conference on Electrochemical Energy Conversion & Storage with SOFC-XIV, Glasgow, United Kingdom of Great Britain and Northern Ireland (the). The Electrochemical Society. http://hdl.handle.net/20.500.12708/48921 ( reposiTUm)

Nenning, A., Navickas, E., Kogler, S., Langer-Hansel, K., Opitz, A., & Fleig, J. (2015). Fast Tracer and Slow Electrical Kinetics of 18O Exchange on Mixed Conducting Surfaces: A Combined Tracer and Impedance Study. In 20th International Conference on Solid State Ionics (p. 78). http://hdl.handle.net/20.500.12708/48899 ( reposiTUm)

Gerstl, M., Doppler, M., Brandner, M., Bram, M., Fleig, J., & Opitz, A. (2015). Model - Composite Electrodes as a Tool to Evaluate Alternative SOFC Anode Materials and Their Sulphur Poisoning Behaviour. In 20th International Conference on Solid State Ionics (p. 92). http://hdl.handle.net/20.500.12708/48898 ( reposiTUm)

Opitz, A., Nenning, A., Kogler, S., Rameshan, C., Rameshan, R., Blume, R., Haevecker, M., Knop-Gericke, A., Rupprechter, G., Kloetzer, B., & Fleig, J. (2015). Surface and Bulk Properties of Polarized Mixed Conduting LSF Electrodes: An in-situ Study In H2/H2O and O2 by Simultaneous Near-ambient Pressure XPS and Impedance Spectroscopy. In 20th International Conference on Solid State Ionics (p. 95). http://hdl.handle.net/20.500.12708/48883 ( reposiTUm)

Opitz, A., Kubicek, M., Taibl, S., Huber, T., Holzlechner, G., Hutter, H., & Fleig, J. (2015). The Utility of Model Electrodes for the Seperation of Current Pathways in Solid State Electrochemistry. In 20th International Conference on Solid State Ionics (p. 85). http://hdl.handle.net/20.500.12708/48896 ( reposiTUm)

Thalinger, R., Kogler, S., & Opitz, A. (2014). Characterization of methanization and methane reforming catalysts: Ni-STF and Ni-LSF. In Physikalische Chemie in Österreich (p. 12). http://hdl.handle.net/20.500.12708/48534 ( reposiTUm)

Fleig, J., Opitz, A., Kubicek, M., Nenning, A., Huber, T., Limbeck, A., & Hutter, H. (2014). Solid Oxide Fuel Cells: From Fundamentals to Thin Film Model Electrodes. In 15th Joint Vacuum Conference (p. 65). http://hdl.handle.net/20.500.12708/48576 ( reposiTUm)

Kogler, S., Langer-Hansel, K., Nenning, A., Opitz, A., Hutter, H., & Fleig, J. (2014). Electrochemical properties of La0.6Sr0.4FeO3-δ thin film electrodes under oxidizing and reducing conditions. In Physikalische Chemie in Österreich (p. 2). http://hdl.handle.net/20.500.12708/48529 ( reposiTUm)

Navickas, E., Huber, T., Holzlechner, G., Nenning, A., Kubicek, M., Opitz, A., Hutter, H., & Fleig, J. (2014). The oxygen exchange and diffusion kinetics of SOFC electrodes studied by Time-of-Flight SIMS. In E. Navickas (Ed.), Secondary Ion Mass Spectrometry (p. 67). http://hdl.handle.net/20.500.12708/48627 ( reposiTUm)

Fritscher, G., Kogler, S., Huber, T., Opitz, A., Fleig, J., Heel, A., Navickas, E., Hutter, H., Burnat, D., & Holzer, L. (2014). Electrochemical properties of La0.2Sr0.7TiO3 thin film electrodes under reducing conditions. In 2014 Spring Meeting (p. 10). http://hdl.handle.net/20.500.12708/48548 ( reposiTUm)

Wachter-Welzl, A., Huber, T., Navickas, E., Opitz, A., Hutter, H., & Fleig, J. (2014). The Bias Voltage Dependence of Oxygen Reduction Pathways on Strontium-Doped Lanthanum Manganite (LSM) Model Electrodes. In 2014 Spring Meeting (p. 5). http://hdl.handle.net/20.500.12708/48551 ( reposiTUm)

Velicsanyi, P., Nenning, A., Navickas, E., Opitz, A., Hutter, H., & Fleig, J. (2014). Electrochemical properties of acceptor doped ceria electrodes in reducing atmosphere: The separation of elementary processes. In 2014 Spring Meeting (p. 10). http://hdl.handle.net/20.500.12708/48552 ( reposiTUm)

Opitz, A., Kubicek, M., Huber, S., Huber, T., Nenning, A., Navickas, E., Holzlechner, G., Hutter, H., & Fleig, J. (2014). Visualization of electrochemical reduction zones by cathodic18O incorporation at model electrodes: strengths and limitations. In 2014 Spring Meeting (p. 14). http://hdl.handle.net/20.500.12708/48554 ( reposiTUm)

Kogler, S., Langer-Hansel, K., Nenning, A., Opitz, A., Hutter, H., & Fleig, J. (2014). Electrochemical properties of La0.6Sr0.4FeO3-δ thin film electrodes under oxidizing and reducing conditions. In 2014 Spring Meeting (p. 14). http://hdl.handle.net/20.500.12708/48555 ( reposiTUm)

Ahamer, C., Opitz, A., Rupp, G., & Fleig, J. (2014). The temperature dependent conductivity of YSZ revisited: Serial two barrier model vs. association model. In 2014 Spring Meeting (p. 10). http://hdl.handle.net/20.500.12708/48553 ( reposiTUm)

Huber, T., Opitz, A., Kubicek, M., Wachter-Welzl, A., Holzlechner, G., Navickas, E., Chen, Y., Hutter, H., Yildiz, B., & Fleig, J. (2014). Identifying, Quantifying and Modifying Reaction Pathways of Oxygen Reduction on Lanthanum Manganite (LSM) Model Electrodes. In 2014 Spring Meeting (p. 15). http://hdl.handle.net/20.500.12708/48556 ( reposiTUm)

Nenning, A., Opitz, A., Navickas, E., Velicsanyi, P., Hutter, H., & Fleig, J. (2014). Analyzing Electrochemical Properties of Mixed Conducting SOFC Anode Materials by a Novel Impedance Spectroscopic Method and Tracer Diffusion. In 2014 MRS Spring Meeting & Exhibit (p. 189). http://hdl.handle.net/20.500.12708/48538 ( reposiTUm)

Huber, T., Opitz, A., Kubicek, M., Wachter-Welzl, A., Holzlechner, G., Navickas, E., Chen, Y., Yildiz, B., & Fleig, J. (2014). Identifying, Visualizing and Modifying Reaction Pathways of Oxygen Reduction on Lanthanum Manganite (LSM) Model Electrodes. In 2014 MRS Spring Meeting & Exhibit (p. 188). http://hdl.handle.net/20.500.12708/48539 ( reposiTUm)

Walch, G., Opitz, A., Kogler, S., & Fleig, J. (2013). High temperature electrolysis on La0.6Sr0.4FeO3-δ model-type thin film cathodes. In Topical Issues of Rational Use of Natural Resources (pp. 245–246). http://hdl.handle.net/20.500.12708/48212 ( reposiTUm)

Kogler, S., Langer-Hansel, K., Nenning, A., Rupp, G., Opitz, A., & Fleig, J. (2013). Electrode Kinetics of La0,6Sr0,4FeO3-δ in H2/H2O and O2 Atmospheres. In 15. Österreichische Chemietage (p. 25). http://hdl.handle.net/20.500.12708/48259 ( reposiTUm)

Walch, G., Opitz, A., Kogler, S., & Fleig, J. (2013). High Temperature Electrolysis on La0,6Sr0,4FeO3-δ Model - Type Thin Film Cathodes. In 15. Österreichische Chemietage. 15. Österreichische Chemietage 2013, TU-Graz, Graz, Österreich, Austria. http://hdl.handle.net/20.500.12708/48261 ( reposiTUm)

Nenning, A., Opitz, A., Brunauer, G., Kogler, S., Rotter, B., & Fleig, J. (2013). Identification of different resistive processes on SrTi0.7Fe0.3O3-δ thin film model SOFC anodes. In Topical Issues of Rational Use of Natural Resources (pp. 234–235). http://hdl.handle.net/20.500.12708/48211 ( reposiTUm)

Kogler, S., Nenning, A., Opitz, A., & Fleig, J. (2013). La0.6Sr0.4FeO3-δ as mixed conducting electrode material in O2 as well as H2 atmosphere. In Topical Issues of Rational Use of Natural Resources (pp. 232–233). http://hdl.handle.net/20.500.12708/48210 ( reposiTUm)

Fleig, J., Kubicek, M., Yildiz, B., Cai, Z., Ma, W., Hutter, H., Rupp, G., Limbeck, A., Huber, S., Kogler, S., Nenning, A., & Opitz, A. (2013). Factors influencing the oxygen exchange kinetics of perovskite-type thin films electrodes. In SSI-19 e-Book (p. 1). http://hdl.handle.net/20.500.12708/48207 ( reposiTUm)

Huber, T., Kubicek, M., Opitz, A., Hutter, H., & Fleig, J. (2013). Separation of different oxygen reduction paths on Lanthanum Manganite (LSM) thin film model electrodes. In SSI-19 e-Book (p. 1). http://hdl.handle.net/20.500.12708/48213 ( reposiTUm)

Huber, T., Kubicek, M., Opitz, A., & Fleig, J. (2013). A novel micro-contact equipment for electrochemical impedance spectroscopy. In SSI-19 e-Book (p. 1). http://hdl.handle.net/20.500.12708/48141 ( reposiTUm)

Walch, G., Opitz, A., Kogler, S., & Fleig, J. (2013). Model type La0.6Sr0.4FeO3-δ electrodes for high temperature water electrolysis. In SSI-19 e-Book (p. 1). http://hdl.handle.net/20.500.12708/48214 ( reposiTUm)

Opitz, A., Nenning, A., Kogler, S., & Fleig, J. (2013). Mixed Conducting Oxides in Reducing and Oxidizing Atmospheres: How defect chemistry affects reaction pathways. In A. Opitz (Ed.), Reducible oxide chemistry, structure and functions (p. 37). http://hdl.handle.net/20.500.12708/48365 ( reposiTUm)

Opitz, A., Nenning, A., Kogler, S., Walch, G., & Fleig, J. (2013). Mixed conducting perovskite-type electrodes in H2/H2O and O2 atmospheres: Current pathways and electrode kinetics. In 112th General Assembly of the German Bunsen Society for Physical Chemistry (p. 209). http://hdl.handle.net/20.500.12708/48170 ( reposiTUm)

Fleig, J., Kubicek, M., Kogler, S., Nenning, A., Hutter, H., & Opitz, A. (2012). Thin Film Electrodes in SOFC/SOEC Research: How to Identify Different Contributions to the Polarization Resistance. In 2012 MRS Fall Meeting (p. 195). http://hdl.handle.net/20.500.12708/47970 ( reposiTUm)

Huber, T., Kubicek, M., Opitz, A., & Fleig, J. (2012). New micro contact equipment for impedance spectroscopy and first results for reaction pathways of oxygen reduction on lanthanum manganite (LSM) model electrodes. In Topical Issues of Rational Use of Natural Resources (p. 169). http://hdl.handle.net/20.500.12708/48026 ( reposiTUm)

Walch, G., Opitz, A., Kogler, S., & Fleig, J. (2012). High temperature electrolysis with perovskite- and fluorite-type thin film electrodes. In Fundamental and Engineering Needs for Sustainable Development (p. 221). http://hdl.handle.net/20.500.12708/47853 ( reposiTUm)

Kogler, S., Opitz, A., & Fleig, J. (2012). Electrode kinetics of (La,Sr)FeO3 in H2/H2 and O2 containing atmospheres. In Fundamental and Engineering Needs for Sustainable Development (p. 90). http://hdl.handle.net/20.500.12708/47852 ( reposiTUm)

Ahamer, C., Opitz, A., & Fleig, J. (2012). The ionic conductivity of yttria stabilized zirconia at lower temperatures: Effects of microstructure and local inhomogeneities. In Fundamental and Engineering Needs for Sustainable Development (p. 264). http://hdl.handle.net/20.500.12708/47854 ( reposiTUm)

Opitz, A., Kogler, S., Nenning, A., Ahrens, M., & Fleig, J. (2012). Electrode kinetics of mixed conducting oxides in H2/H2O and O2 atmospheres. In Electroceramics XIII (p. 45). http://hdl.handle.net/20.500.12708/47812 ( reposiTUm)

Ahamer, C., Opitz, A., & Fleig, J. (2012). The ionic conductivity of yttria stabilized zirconia at lower temperatures: Effects of microstructure and local inhomogeneities. In Electroceramics XIII (p. 108). http://hdl.handle.net/20.500.12708/47814 ( reposiTUm)

Nenning, A., Opitz, A., Brunauer, G., Fleig, J., & Ahrens, M. (2012). Impedance spectroscopic studies on SrTi0.7Fe0.3O3-δ thin film microelectrodes for high temperature water electrolysis. In Solid State Ionics: Mass and Charge Transport across and along Interfaces of Functional Materials. E-MRS Spring Meeting 2012, Strasbourg, France. http://hdl.handle.net/20.500.12708/47781 ( reposiTUm)

Opitz, A., Kubicek, M., Schintlmeister, A., Hörlein, M., Hutter, H., & Fleig, J. (2012). The model system Pt|yttria stabilized zirconia: Electrochemical reaction pathways of oxygen exchange. In Solid State Ionics: Mass and Charge Transport across and along Interfaces of Functional Materials. E-MRS Spring Meeting 2012, Strasbourg, France. http://hdl.handle.net/20.500.12708/47779 ( reposiTUm)

Kogler, S., Opitz, A., & Fleig, J. (2012). La0.6Sr0.4FeO3-δ as Electrode Material in O2 as well as H2 Atmosphere. In Solid State Ionics: Mass and Charge Transport across and along Interfaces of Functional Materials. E-MRS Spring Meeting 2012, Strasbourg, France. http://hdl.handle.net/20.500.12708/47780 ( reposiTUm)

Huber, T., Kubicek, M., Opitz, A., Hutter, H., & Fleig, J. (2012). Reaction Pathways of Oxygen Reduction on Lanthanum Manganite (LSM) Model Electrodes. In Solid State Ionics: Mass and Charge Transport across and along Interfaces of Functional Materials. E-MRS Spring Meeting 2012, Strasbourg, France. http://hdl.handle.net/20.500.12708/47785 ( reposiTUm)

Fleig, J., Opitz, A., Kubicek, M., Gerstl, M., Frömling, T., & Hutter, H. (2011). Voltage Driven 18O Tracer Injection as a Tool for Analyzing Electrochemical Reactions on Oxides and Ion Conduction in Thin Oxide Films. In Symposium K: Frontiers of Solid-State Ionics (p. 153). http://hdl.handle.net/20.500.12708/47317 ( reposiTUm)

Kubicek, M., Opitz, A., Schintlmeister, A., Frömling, T., Hutter, H., & Fleig, J. (2011). Active and Resistive Zones of the Oxygen Reduction Reaction Monitored by Voltage Driven ¹⁸O Tracer Incorporation. In ECS Meeting Abstracts. Solid Oxide Fuel Cells XII (SOFC-XII) (pp. 679–679). The Electrochemical Society. https://doi.org/10.1149/MA2011-01/12/679 ( reposiTUm)

Hörlein, M., Opitz, A., & Fleig, J. (2011). Comparison of electrode kinetics in air and H2/H2O atmosphere for different electrodes on yttria-stabilized zirconia electrolytes. In 110th Annual German Conference on Physical Chemistry (p. 473). http://hdl.handle.net/20.500.12708/47363 ( reposiTUm)

Kubicek, M., Opitz, A., Schintlmeister, A., Hutter, H., & Fleig, J. (2011). Active and resistive zones of the oxygen reduction reactor monitored by voltage driven 18O tracer incorporation. In SSI-18 (p. 120). http://hdl.handle.net/20.500.12708/47384 ( reposiTUm)

Opitz, A., Kubicek, M., Limbeck, A., Hutter, H., & Fleig, J. (2011). Electrodes in Solid Oxide Fuel Cells: Reaction Pathways Of Oxygen Reduction. In 14. Österreichische Chemietage (p. 1). http://hdl.handle.net/20.500.12708/47417 ( reposiTUm)

Fleig, J., Kubicek, M., Langer-Hansel, K., Opitz, A., Kogler, S., & Hutter, H. (2011). Tracer Monitoring of Active and Resistive Zones for SOFC Applications. In 2011 MRS Fall Meeting & Exhibit (p. 132). http://hdl.handle.net/20.500.12708/47530 ( reposiTUm)

Fleig, J., Opitz, A., Schintlmeister, A., Kubicek, M., & Hutter, H. (2011). Monitoring Active and Resistive Zones of SOFC Cathodes by Voltage Driven Tracer Incorporation. In ECS Transactions (pp. 2217–2226). The Electrochemical Society. https://doi.org/10.1149/1.3570216 ( reposiTUm)

Opitz, A., Schintlmeister, A., Hutter, H., & Fleig, J. (2010). Oxygen Reaction Sites on Solid Electrolytes: The Width of the Electrochemically Active Zone on Pt/YSZ. In Electrochemistry 2010, Bochum (pp. 2–3). http://hdl.handle.net/20.500.12708/49823 ( reposiTUm)

Opitz, A., Schintlmeister, A., Hutter, H., & Fleig, J. (2010). Determination of the Three Phase Boundary Width of Pt Cathodes on Solid Electrolytes. In ise 101392. 61st Annual Meeting of the International Society of Electrochemistry, Nice, EU. http://hdl.handle.net/20.500.12708/46920 ( reposiTUm)

Opitz, A., Schintlmeister, A., Lutz, A., Hutter, H., & Fleig, J. (2009). Investigation of the oxygen exchange reaction on Pt/YSZ: The relation between three phase boundaries and electrode performance. In Meeting Abstracts (p. 1604). http://hdl.handle.net/20.500.12708/46531 ( reposiTUm)

Opitz, A. K., Schintlmeister, A., Hutter, H., & Fleig, J. (2009). Investigation of the Oxygen Exchange Reaction on Pt/YSZ: The Relation between Three Phase Boundaries and Electrode Performance. In ECS Transactions (pp. 2783–2792). The Electrochemical Society. https://doi.org/10.1149/1.3205840 ( reposiTUm)

Schintlmeister, A., Opitz, A., Frömling, T., Fleig, J., & Hutter, H. (2009). Oxygen incorporation and transport in electroceramics investigated by electrochemical 18O/16O isotope exchange and TOF-SIMS. In 2. GÖCH Symposium 2009, “Physikalische Chemie in Österreich” (p. 11). http://hdl.handle.net/20.500.12708/46382 ( reposiTUm)

Opitz, A., Schintlmeister, A., Hutter, H., & Fleig, J. (2009). The oxygen exchange reaction on platinum / YSZ: visualisation of the electrochemichally active zone. In 13. Österreichische Chemietage (p. OP-36). http://hdl.handle.net/20.500.12708/46457 ( reposiTUm)

Opitz, A., Schintlmeister, A., Hutter, H., & Fleig, J. (2009). Oxygen reduction on Platinum / YSZ: Investigation of the electrochemically active zone by means of well-defined microelectrodes. In SSI - 17 (p. 269). http://hdl.handle.net/20.500.12708/46443 ( reposiTUm)

Lutz, A., Opitz, A., & Fleig, J. (2009). Factors governing the electrochemical activity of platinum electrodes on a solid electrolyte. In 13. Österreichische Chemietage (p. PO-118). http://hdl.handle.net/20.500.12708/46456 ( reposiTUm)

Opitz, A., Schintlmeister, A., Hutter, H., & Fleig, J. (2008). Die Kinetik der Sauerstoffreduktion an Y-stabilisiertem ZrO2 untersucht mit geometrisch definierten Pt-Mikroelektroden. In Analyse, Manipultion und Simulation auf der Nanometerskala (p. P122). http://hdl.handle.net/20.500.12708/46063 ( reposiTUm)

Weiss, M., Jung, V., Maurer, M., Willner, J., Wimmer Christian, Peer, J. E., Limbeck, A., & Opitz, A. K. (2025, May 26). Complementary analytical techniques for quantifying point defects in perovskite-type oxides [Conference Presentation]. E-MRS 2025 Spring Meeting, Strasbourg, France. http://hdl.handle.net/20.500.12708/221174 ( reposiTUm)

Nenning, A., Rameshan, R., Huber, T., Rameshan, C., Opitz, A. K., & Fleig, J. (2025, May 26). Sufrace chemistry and electrochemical properties of porous SOC electrodes revealed during in-situ ambient pressure XPS [Conference Presentation]. E-MRS 2025 Spring Meeting, Strasbourg, France. http://hdl.handle.net/20.500.12708/221173 ( reposiTUm)

Melcher, C., Rath, K., Breitwieser, S., Nenning, A., Rameshan, C., & Opitz, A. K. (2025, May 29). Ni-Dewetting on Doped Ceria Electrodes Upon Redox-Cycling: An In-Situ Surface Spectro-Microscopic Analysis via Electrochemical Oxygen Activity Control (EXACT) [Poster Presentation]. E-MRS 2025 Spring Meeting, Strasbourg, France. http://hdl.handle.net/20.500.12708/221374 ( reposiTUm)

Peer, J. E., Maurer, M., Weiss, M., Rollenitz, J., Längle, M., Javed, U., Taibl, S., Kotakoski, J., & Opitz, A. K. (2025, May 29). Ultrathin perovskite oxide freestanding membranes as novel platform for high resolution TEM imaging [Poster Presentation]. E-MRS 2025 Spring Meeting, Strasbourg, France. ( reposiTUm)

Maurer, M., Weiss, M., Limbeck, A., Weil, M., Opitz, A. K., Nizet Ruiz, P., Chiabrera, F. M., Baiutti, F., Tarancon, A., & Laa, L. (2025, May 27). Exploring the interplay between oxidation state, electronic structure, and proton uptake in the triple-conducting perovskite-type oxide BaFe0.85Y0.15O3-δ [Conference Presentation]. E-MRS 2025 Spring Meeting, Strasbourg, France. http://hdl.handle.net/20.500.12708/221363 ( reposiTUm)

Jung, V., Weiss, M., Opitz, A. K., & Limbeck, A. (2025, May 27). Quantification of Oxygen Vacancies in LSF via Laser-induced Breakdown Spectroscopy [Poster Presentation]. E-MRS 2025 Spring Meeting, Strasbourg, France. http://hdl.handle.net/20.500.12708/221368 ( reposiTUm)

Viernstein, A., Opitz, A. K., & Fleig, J. (2025, May 28). Characterisation of Novel Powder-Based Oxygen Ion Batteries [Conference Presentation]. E-MRS 2025 Spring Meeting, Strasbourg, France. http://hdl.handle.net/20.500.12708/221369 ( reposiTUm)

Rath, K., Nenning, A., & Opitz, A. K. (2023, October 25). Investigating Ceria-based Cathodes for High-Performance CO₂ Electrolysis Cells [Conference Presentation]. Autumn School 2023, Valencia, Spain. ( reposiTUm)

Weiss, M., Huber, T., Holzer, A., Krammer, M., Limbeck, A., & Opitz, A. K. (2023, April 13). Multimodal characterization for proton conducting oxide-based electrochemical nitrogen fixation cells [Conference Presentation]. ANAKON 2023, Wien, Austria. ( reposiTUm)

Melcher, C., Nenning, A., Schrenk, F., Rameshan, C., & Opitz, A. K. (2023, October 24). Characterizing novel catalysts for direct CO₂ electrolysis with in-situ NAP-XPS [Poster Presentation]. Autumn School 2023, Valencia, Spain. ( reposiTUm)

Weiss, M., Anstiss, M., Holzer, A., Krammer, M., Huber, T., Limbeck, A., & Opitz, A. K. (2023, May 29). Insights into triple conducting oxides as cathodes for electrochemical nitrogen hydrogenation [Conference Presentation]. European Materials Research Society (E-MRS) Spring Meeting 2023, Strasbourg, France. ( reposiTUm)

Opitz, A. K., Summerer, H., Nenning, A., & Rameshan, C. (2023, May 29). Exsolution Catalysts as a Plaything of Atmosphere and Electrochemical Polarization [Conference Presentation]. European Materials Research Society (E-MRS) Spring Meeting 2023, Strasbourg, France. ( reposiTUm)

Anstiss, M., Weiss, M., Opitz, A. K., & Weil, M. (2023, June 1). The mixed proton- and electron-conducting material BaFe0.9Y0.1O3-??: Synthesis, characterization, and application as fuel electrode in proton conducting solid oxide cells [Poster Presentation]. European Materials Research Society (E-MRS) Spring Meeting 2023, Strasbourg, France. ( reposiTUm)

Weiss, M., Holzer, A., Krammer, M., Huber, T., Limbeck, A., & Opitz, A. K. (2023, May 30). A novel sample cell for the detection of protons in ceramic materials by an in-situ combination of laser induced breakdown spectroscopy and electrochemistry [Poster Presentation]. European Materials Research Society (E-MRS) Spring Meeting 2023, Strasbourg, France. http://hdl.handle.net/20.500.12708/190071 ( reposiTUm)

Opitz, A. K. (2023, July 19). Energy Conversion in Solid Oxide Cells: Graining In-Depth Understanding trough Model Experiments [Conference Presentation]. mESC-IS Iness 2023, Turkey. ( reposiTUm)

Rath, K., Hoffrogge, P., Daniel Schneider, Nestler, B., Nenning, A., Rameshan, C., & Opitz, A. K. (2023, June 1). Gaining Insight into the Role of Electrochemical Polarisation on Degradation Phenomena in Solid Oxide Cells by Experiments on Thin Film Electrodes [Poster Presentation]. European Materials Research Society (E-MRS) Spring Meeting 2023, Strasbourg, France. http://hdl.handle.net/20.500.12708/190162 ( reposiTUm)

Rath, K., Nenning, A., Hoffrogge, P., Schneider, D., Nestler, B., & Opitz, A. K. (2023, May 29). Understanding Fluorite-Type Electrodes for CO2 Electrolysis: A Multi-Analytical Approach Employing Well-Defined Model Electrodes [Conference Presentation]. European Materials Research Society (E-MRS) Spring Meeting 2023, Strasbourg, France. http://hdl.handle.net/20.500.12708/189077 ( reposiTUm)

Nenning, A., Opitz, A. K., Rameshan, C., Rameshan, R., Blume, R., Hävecker, M., Knop-Gericke, A., Rupprechter, G., Klötzer, B., & Fleig, J. (2023, May 2). Electrochemical in-situ characterisation of solid oxide cell surface chemistry [Conference Presentation]. Conference for advanced surface technology, TU Wien, Austria. http://hdl.handle.net/20.500.12708/176827 ( reposiTUm)

Nenning, A., Opitz, A. K., Rameshan, R., Rameshan, C., Klötzer, B., Fleig, J., & Siebenhofer, M. (2023, May 2). Electrochemical in-situ characterisation of the solid oxide cell surface chemistry [Conference Presentation]. Conference of Applied Surface Technology 2023, Wien, Austria. http://hdl.handle.net/20.500.12708/190846 ( reposiTUm)

Hartmann, S. L., & Opitz, A. K. (2022, September 20). Well-defined thin films as a platform for studying oxide electrodes for water splitting reactions in aqueous electrolyte [Poster Presentation]. 19. Österreichische Chemietage, Austria. ( reposiTUm)

Huber, T., Siebenhofer, M., Böhme, C., Schmid, A., Riedl, C., Nenning, A., Opitz, A. K., Kubicek, M., & Fleig, J. (2022, July). Setting up a Multi-Analytical Tool for Pulsed Laser Deposition (i-PLD) [Poster Presentation]. 23rd International Conference on Solid State Ionics, United States of America (the). http://hdl.handle.net/20.500.12708/153458 ( reposiTUm)

Riedl, C., Siebenhofer, M., Schmid, A., Limbeck, A., Opitz, A. K., Fleig, J., & Kubicek, M. (2022, July). Investigating Oxygen Reduction Pathways on Pristine SOFC Cathode Surfaces by In Situ PLD Impedance Spectroscopy [Conference Presentation]. 23rd International Conference on Solid State Ionics, United States of America (the). http://hdl.handle.net/20.500.12708/152705 ( reposiTUm)

Opitz, A. K. (2022). Electrochemical model experiments for an in-depth understanding of electrode reactions in solid oxide cells. Energy Seminar and der DTU, Kopenhagen, Denmark. http://hdl.handle.net/20.500.12708/101757 ( reposiTUm)

Opitz, A. (2022). CeO₂-based fuel electrodes for high Temperature solid oxide cells. COAST 2022 1st Conference of Applied Surface Technology, Wiener Neustadt, Austria. http://hdl.handle.net/20.500.12708/101770 ( reposiTUm)

Maurer, M., Opitz, A. K., & Weil, M. (2022, July 0). Tuning the Electro-Catalytic Properties of Mixed Conducting Perovskite-Type Oxides [Poster Presentation]. Ceramics in Europe 2022, Krakau, Poland. ( reposiTUm)

Rath, K., Nenning, A., & Opitz, A. K. (2022, September 29). Reaction Kinetics and high mobility of Pt thin film electrodes on an yttria-stabilised ZrO2 electrolyte under the application of bias voltage [Conference Presentation]. Electrochemistry 2022 - At the Interface between Chemistry and Physics, Berliin, Germany. ( reposiTUm)

Siebenhofer, M., Riedl, C., Schmid, A., Opitz, A. K., Fleig, J., & Kubicek, M. (2022, January 19). Investigating oxygen reduction pathways on pristine SOFC cathode surfaces by in-situ PLD impedance spectroscopy [Conference Presentation]. Electronic Materials and Application 2022, Orlando, United States of America (the). http://hdl.handle.net/20.500.12708/152802 ( reposiTUm)

Opitz, A. K., Summerer, H., Nenning, A., & Rameshan, C. (2022, September 20). The Good, the Bad and the Voltage: Electrochemical Activity Switching of Exsolution Catalysts [Poster Presentation]. 19. Österreichische Chemietage, Wien, Austria. ( reposiTUm)

Rath, K., Nenning, A., Rameshan, C., & Opitz, A. K. (2022, September 20). Investigation of the oxygen exchange mechanism and mobility of Pt thin film electrodes on an yttria-stabilised ZrO2 electrolyte [Poster Presentation]. Österreichische Chemietage 2022, Wien, Austria. http://hdl.handle.net/20.500.12708/152874 ( reposiTUm)

Siebenhofer, M., Riedl, C., Nenning, A., Opitz, A. K., Schmid, A., Kubicek, M., & Fleig, J. (2022, September 30). Investigating Point Defect Concentrations and Their Impact on Surface Exchange Reaction Rates of Mixed Ionic and Electronic Conductors [Conference Presentation]. Electrochemistry 2022, Berlin, Germany. http://hdl.handle.net/20.500.12708/152685 ( reposiTUm)

Opitz, A. K., Summerer, H., Nenning, A., & Rameshan, C. (2022, September 30). Catalyst Particles Caught Between two Stools: Reversible Activity Switching by Applying Electrochemical Polarization [Conference Presentation]. Electrochemistry 2022 - At the Interface between Chemistry and Physics, Berlin, Germany. ( reposiTUm)

Nenning, A., Summerer, H., Rameshan, R., Reuter, S., Lindenthal, L., Huber, T., Rameshan, C., Opitz, A. K., & Fleig, J. (2022, July 12). Surface and defect chemistry of porous La0.6Sr0.4FeO₃ electrodes on polarized 3-electrode cells [Conference Presentation]. Ceramics in Europe, Krakau, Poland. http://hdl.handle.net/20.500.12708/136502 ( reposiTUm)

Opitz, A. K., Summerer, H., Nenning, A., Maurer, M., & Rameshan, C. (2022, July 0). Electrochemical Activity Switching of Exsolution Catalysts [Conference Presentation]. 23rd International Conference on Solid State Ionics, Boston, United States of America (the). ( reposiTUm)

Riedl, C., Siebenhofer, M., Nenning, A., Rameshan, C., Kubicek, M., Limbeck, A., Opitz, A. K., & Fleig, J. (2022, January). Performance loss of promising SOFC cathode materials by sub-ppm sulfur poisoning by in-situ PLD and AP-XPS studies [Conference Presentation]. Electronic Materials and Apllication 2022, Orlando, United States of America (the). ( reposiTUm)

Riedl, C., Siebenhofer, M., Limbeck, A., Opitz, A. K., Kubicek, M., & Fleig, J. (2022, January 19). Surface decoration of Pr₀.₁Ce₀.₉O₂-δ electrodes with binary oxides measured by in-situ PLD technique [Poster Presentation]. Electronic Materials and Applications, Orlando, FLA, United States of America (the). http://hdl.handle.net/20.500.12708/153189 ( reposiTUm)

Opitz, A. K. (2022, October 7). Geometrically Well-Defined Model Systems as a Powerful Tool for a Deeper Understanding of Electrochemical Elementary Processes in Solid Oxide Cell Research [Keynote Presentation]. Power of Interfaces - Workshop, Palma de Mallorca, Spain. ( reposiTUm)

Opitz, A. K. (2022, June 27). Characterisation of Materials for Solid Oxide Cells by Means of Model-type Thin Film Samples [Conference Presentation]. CIMTEC - 15th International Ceramics Congress, Italy. ( reposiTUm)

Rath, K., Nenning, A., Rameshan, C., & Opitz, A. K. (2022, September 28). Reaction Kinetics and high mobility of Pt thin film electrodes on an yttriastabilised ZrO2 electrolyte under the application of bias voltage [Poster Presentation]. Electrochemistry 2022, Germany. ( reposiTUm)

Rath, K., Summerer, H., Nenning, A., & Opitz, A. K. (2022, July 13). The role of the electrolyte for the oxygen exchange mechanism close to the triple phase boundary of Pt|YSZ microelectrodes [Poster Presentation]. Ceramics in Europe 2022, Krakau, Poland. http://hdl.handle.net/20.500.12708/153192 ( reposiTUm)

Nenning, A., Opitz, A. K., Gerstl, M., Doppler, M., Bischof, C., Schafbauer, W., & Bram, M. (2022, June). Impedance models for bridging the gap between fundamentals and applied SOFC research [Conference Presentation]. 15th International Ceramics Congress, Perugia, Italy. http://hdl.handle.net/20.500.12708/152541 ( reposiTUm)

Nenning, A., Opitz, A. K., Bischof, C., Holzmann, M., Gerstl, M., Doppler, M., & Bram, M. (2022, June 27). Model Experiments for Bridging the Gap between Fundamentals and Applied SOFC Research [Conference Presentation]. CIMTEC 2022 - 15th International Ceramics Congress, Perugia, Italy. http://hdl.handle.net/20.500.12708/152715 ( reposiTUm)

Siebenhofer, M., Riedl, C., Schmid, A., Sergej Raznjevic, Zhang, Z., Limbeck, A., Opitz, A. K., Fleig, J., & Kubicek, M. (2022, July). Investigating the Contributions of Point Defects to the Activation Energy of the Oxygen Exchange Reaction on Pristine Mixed Conducting Surfaces [Conference Presentation]. 23rd International Conference on Solid State Ionics, Boston, MA, United States of America (the). http://hdl.handle.net/20.500.12708/152650 ( reposiTUm)

Riedl, C., Siebenhofer, M., Raznjevic, T., Zhang, Z., Kubicek, M., Opitz, A. K., & Fleig, J. (2022, July). Electrochemical Observation of Compressive Strain Built-Up During Pulsed Laser Deposition [Poster Presentation]. 23rd International Conference on Solid Ionics, United States of America (the). http://hdl.handle.net/20.500.12708/136464 ( reposiTUm)

Riedl, C., Schmid, A., Nenning, A., Limbeck, A., Opitz, A., & Fleig, J. (2021). Outstanding Oxygen Reduction Kinetics of La0.6Sr0.4FeO3-δ Surfaces Decorated with Platinum Nanoparticles. Electronic Materials and Applications 2021, Orlando, United States of America (the). http://hdl.handle.net/20.500.12708/101571 ( reposiTUm)

Opitz, A. (2021). Understanding electrochemical switchability of perovskite-type exsolution catalysts. DESY User Meeting, Hamburg (Online Meeting), Germany. http://hdl.handle.net/20.500.12708/101576 ( reposiTUm)

Opitz, A. (2021). Model-type thin films as a tool for characterization of electrochemical elementary processes. Electronic Materials and Applications 2021, Orlando, United States of America (the). http://hdl.handle.net/20.500.12708/101463 ( reposiTUm)

Riedl, C., Siebenhofer, M., Nenning, A., Limbeck, A., Rameshan, C., Kubicek, M., Opitz, A., & Fleig, J. (2021). Performance boost of LSF electrodes by platinum doping revealed by super sensitive in-situ PLD impedance measurements. EMRS Spring Meeting 2021, virtuelle Konferenz, Unknown. http://hdl.handle.net/20.500.12708/101677 ( reposiTUm)

Riedl, C., Siebenhofer, M., Nenning, A., Limbeck, A., Rameshan, C., Kubicek, M., Opitz, A., & Fleig, J. (2021). In-situ PLD studies on pristine lanthanum based pervoskite electrodes. EMRS Spring Meeting 2021, virtuelle Konferenz, Unknown. http://hdl.handle.net/20.500.12708/101678 ( reposiTUm)

Lindenthal, L., Popovic, J., Rameshan, R., Ruh, T., Summerer, H., Nenning, A., Opitz, A., Löffler, S., & Rameshan, C. (2021). Novel Doped Perovskite Catalysts - Enhancing Catalytic Activity By Tailored Exsolution of Nanoparticles. School on Catalysis, Liblice, Czechia. http://hdl.handle.net/20.500.12708/101638 ( reposiTUm)

Rameshan, R., Lindenthal, L., Schrenk, F., Ruh, T., Nenning, A., Opitz, A., & Rameshan, C. (2021). Tailoring of Catalyst Surfaces for Energy Conversion - In-situ Studies of Electrochemical driven Nanoparticle Exsolution. APXPS-2021 Workshop, Brookhaven, United States of America (the). http://hdl.handle.net/20.500.12708/101656 ( reposiTUm)

Opitz, A. (2021). From model-type thin film electrodes to 3D porous cermets mESC-IS 2021, 5th Int. Symposium on Materials for Energy Storage and Conversion. mESC-IS 2021: 5th International Symposium on Materials for Energy Storage and Conversion, Mugla, Turkey. http://hdl.handle.net/20.500.12708/101671 ( reposiTUm)

Nenning, A., Summerer, H., Rameshan, R., Lindenthal, L., Reuter, S., Schlesinger, R., Huber, T., Rameshan, C., Fleig, J., & Opitz, A. (2021). Defect and surface chemistry of porous La0.6Sr0.4FeO3 electrodes revealed by simultaneous three-electrode impedance and APXPS. EMRS Spring Meeting 2021, virtuelle Konferenz, Unknown. http://hdl.handle.net/20.500.12708/101679 ( reposiTUm)

Nenning, A., Opitz, A., Rameshan, R., Summerer, H., Lindenthal, L., Hävecker, M., Knop-Gericke, A., Klötzer, B., & Fleig, J. (2021). Voltage dependent kinetics and surface chemistry of solid oxide cell electrodes. 8th Annual Ambient Pressure X-ray Photoelectron Spectroscopy (APXPS-2021) Virtual Workshop, virtuelle Konferenz, Unknown. http://hdl.handle.net/20.500.12708/101680 ( reposiTUm)

Opitz, A., Nenning, A., Bischof, C., Gerstl, M., Fleig, J., & Bram, M. (2021). Hydrogen oxidation kinetics on Ni/GDC: Bridging the gap between model-type thin film and porous electrodes. EMRS Spring Meeting 2021, virtuelle Konferenz, Unknown. http://hdl.handle.net/20.500.12708/101669 ( reposiTUm)

Opitz, A. (2021). Electrochemical Impedance Spectroscopy in SOEC/SOFC Research mESC-School 2021, International Summer School on Materials for Energy Storage and Conversion. mESC-School 2021, International Summer School on Materials for Energy Storage and Conversion, virtuelle Konferenz, Unknown. http://hdl.handle.net/20.500.12708/101670 ( reposiTUm)

Ruh, T., Lindenthal, L., Summerer, H., Rameshan, R., Opitz, A., Rameshan, C., & Blaha, P. (2020). DFT Investigation of the effect of Ca doping on rare earth perovskites. 35th Workshop: Novel Materials and Superconductors 2020, Schladming, Austria. http://hdl.handle.net/20.500.12708/101432 ( reposiTUm)

Lindenthal, L., Popovic, J., Rameshan, R., Ruh, T., Summerer, H., Nenning, A., Opitz, A., Löffler, S., & Rameshan, C. (2020). Novel Doped Perovskite Catalysts - Enhancing Catalytic Activity by Tailored Exsolution of Nanoparticles. EFCATS Summer School 2020, Portoroz-Portorose, Slovenia. http://hdl.handle.net/20.500.12708/101452 ( reposiTUm)

Nenning, A., Fleig, J., & Opitz, A. (2020). Enhancing the grain boundary conductivity of Gd-doped ceria at low oxygen partial pressures. Electroceramics XVII - Online Conference, Darmstadt, Germany. http://hdl.handle.net/20.500.12708/101455 ( reposiTUm)

Lindenthal, L., Rameshan, R., Ruh, T., Schrenk, F., Opitz, A., & Rameshan, C. (2020). Nanoparticle Exsolution: Tailoring Surfaces for Chemical Energy Conversion. PETRA IV Workshop - Materials and Processes for Energy and Transport Technology, Hamburg + Online, Germany. http://hdl.handle.net/20.500.12708/101458 ( reposiTUm)

Opitz, A., Nenning, A., Bischof, C., Gerstl, M., Fleig, J., & Bram, M. (2020). Hydrogen oxidation kinetics on Ni/GDC:Brigding the gap between model-type thin film and porous electrodes. Electroceramics XVII - Online Conference, Darmstadt, Germany. http://hdl.handle.net/20.500.12708/101454 ( reposiTUm)

Nenning, A., Opitz, A., Gerstl, M., Doppler, M., Bischof, C., Schafbauer, W., & Bram, M. (2019). Model Experiments for Mechanistic Interpretation of Anode Impedance. Current Trends in SOFC Research, Vienna, Austria. http://hdl.handle.net/20.500.12708/101039 ( reposiTUm)

Wang, J., Opitz, A., Bliem, R., Bowman, W., Yao, X., Nenning, A., Dimitrakopoulos, G., Waluyo, I., Hunt, A., Gallet, J.-J., & Yildiz, B. (2019). Uncovering Biaxial Strain Effect on Nanoparticle Exsolution for Thin-film Perovskites  . APS (American Physical Society) March Meeting 2019, Boston, United States of America (the). http://hdl.handle.net/20.500.12708/101063 ( reposiTUm)

Bram, M., Schafbauer, W., Rechberger, J., & Opitz, A. (2019). Introduction of the Christian Doppler Laboratory for Interfaces in Metal-supported Electrochemical Energy Converters. Current Trends in SOFC Research, Vienna, Austria. http://hdl.handle.net/20.500.12708/101037 ( reposiTUm)

Popovic, J., Lindenthal, L., Rameshan, R., Raschhofer, J., Nenning, A., Opitz, A., & Rameshan, C. (2019). New Perovskite Materials for Chemical Energy Conversion - Structural and Catalytic Characterisation. Current Trends in SOFC Research, Vienna, Austria. http://hdl.handle.net/20.500.12708/101043 ( reposiTUm)

Opitz, A. (2019). Revisiting hydrogen oxidation kinetics on Ni/YSZ: Bridging the gap between pattern and cermet electrodes. 43rd International Conference And Exposition On Advanced Ceramics And Composites, Daytona Beach, Florida, United States of America (the). http://hdl.handle.net/20.500.12708/101051 ( reposiTUm)

Thaler, F., Udomsilp, D., Beez, A., Bischof, C., Rojek-Wöckner, V., Schafbauer, W., Theodoro, G., Nenning, A., Opitz, A., Guillon, O., & Bram, M. (2019). Improved Electrochemical Performance and Long-Term Stability of Metal-Supported Fuel Cells by Optimized Cell Processing. Current Trends in SOFC Research, Vienna, Austria. http://hdl.handle.net/20.500.12708/101038 ( reposiTUm)

Opitz, A., Gerstl, M., & Bram, M. (2019). Model-System Supported Impedance Simulation of Composite Electrodes. Current Trends in SOFC Research, Vienna, Austria. http://hdl.handle.net/20.500.12708/101041 ( reposiTUm)

Herzig, C., Frank, J., Morgenbesser, M., Opitz, A., Fleig, J., & Limbeck, A. (2019). Analysis of Complex Metal Oxide Thin Films by Online-LASIL with ICP-MS Detect. Current Trends in SOFC Research, Vienna, Austria. http://hdl.handle.net/20.500.12708/101044 ( reposiTUm)

Nenning, A., Opitz, A., & Fleig, J. (2019). Lab-based XPS Measurements at Controlled Oxygen Activity. Current Trends in SOFC Research, Vienna, Austria. http://hdl.handle.net/20.500.12708/101050 ( reposiTUm)

Riedl, C., Schmid, A., Opitz, A., & Fleig, J. (2019). Studying the Effects of Surface Modification on the Oxygen Reduction Kinetics of Mixed Conducting Oxide Surfaces by In-Situ Impedance Spectroscopy. Current Trends in SOFC Research, Vienna, Austria. http://hdl.handle.net/20.500.12708/101049 ( reposiTUm)

Lindenthal, L., Popovic, J., Rameshan, R., Raschhofer, J., Ruh, T., Opitz, A., & Rameshan, C. (2019). Metal Nanoparticle Exsolution on Perovskite Type Catalyst Materials ‐ Enhancing Catalytic Activity. 34th Workshop on Novel Materials and Superconductors, Schladming, Austria. http://hdl.handle.net/20.500.12708/101059 ( reposiTUm)

Nenning, A., Gerstl, M., Bram, M., & Opitz, A. (2019). Mechanistic Insight into Porous Electrode Impedance: An Example of Ni+YSZ Cermet Anodes. 16th Inernational Symposium on Solid Oxide Fuel Cells, Szeged, Hungary. http://hdl.handle.net/20.500.12708/101262 ( reposiTUm)

Lindenthal, L., Rameshan, R., Popovic, J., Raschhofer, J., Ruh, T., Summerer, H., Opitz, A., & Rameshan, C. (2019). Tuneable Catalyst Surfaces for Heterogeneous Catalysis. Blickpunkt Forschung: Klimaschutz konkret @ TU Wien, Wien, Austria. http://hdl.handle.net/20.500.12708/101153 ( reposiTUm)

Nenning, A., Opitz, A., Bischof, C., Bram, M., & Fleig, J. (2019). Origin of the Excellent Kinetics of Porous Ni-GDC Anodes in Solid Oxide Fuel Cells, Revealed by Impedance Spectroscopy. International Conference on ElectroCeramics (ICE) 2019, Lausanne, Switzerland. http://hdl.handle.net/20.500.12708/101161 ( reposiTUm)

Nenning, A., & Opitz, A. (2019). Mixed conducting perovskites as electrodes in solid state electrochemistry: From bulk defect chemistry to surface reaction. Pervoskite Workshop, Mühlheim an der Ruhr, Germany. http://hdl.handle.net/20.500.12708/101260 ( reposiTUm)

Opitz, A., Nenning, A., Vonk, V., Volkov, S., Bertram, F., Stierle, A., & Fleig, J. (2019). The boosting effect of metal particles exsolved from perovskite-type electrodes on the electrochemical H2O splitting reaction in solid oxide electrolysis cells. 18. Österreichische Chemietage, Linz, Austria. http://hdl.handle.net/20.500.12708/101261 ( reposiTUm)

Huber, T., Schmid, A., Viernstein, A., Kubicek, M., Opitz, A., & Fleig, J. (2019). Improvement of experimental tools for investigating individual electrodes of solid oxide cells. Solid State Ionics 22th Meeting, PyeongChang, Korea (the Republic of). http://hdl.handle.net/20.500.12708/101216 ( reposiTUm)

Herzig, C., Frank, J., Morgenbesser, M., Opitz, A., Fleig, J., & Limbeck, A. (2019). Using Online-LASIL for Stoichiometry Determination of Fe Doped SrTiO₃ Thin Films. Current Trends in SOFC Research, Vienna, Austria. http://hdl.handle.net/20.500.12708/101045 ( reposiTUm)

Lindenthal, L., Popovic, J., Raschhofer, J., Ruh, T., Rameshan, R., Nenning, A., Opitz, A., & Rameshan, C. (2019). Structural and Chemical Characterisation of Doped Perovskites by XRD and XPS ‐ Tailored Exsolution of Metal Nanoparticles. 34th Workshop on Novel Materials and Superconductors, Schladming, Austria. http://hdl.handle.net/20.500.12708/101060 ( reposiTUm)

Herzig, C., Frank, J., Morgenbesser, M., Opitz, A., Fleig, J., & Limbeck, A. (2018). Online LASIL Combined with ICP-OES Detection for the Analysis of Complex Metal Oxide Thin Films. 14. ASAC JunganalytikerInnen - Forum, Wien, Austria. http://hdl.handle.net/20.500.12708/100887 ( reposiTUm)

Doppler, M., Fleig, J., & Opitz, A. (2017). Reaction Pathways in Ni /Yttria Stabilized Zirconia Anodes. 17. Österreichische Chemietage, Salzburg, Austria. http://hdl.handle.net/20.500.12708/100367 ( reposiTUm)

Nenning, A., Opitz, A., Rameshan, C., Kubicek, M., Götsch, T., Blume, R., Knop-Gericke, A., Rupprechter, G., Kloetzer, B., & Fleig, J. (2017). Mechanistic Insight into High Temperature CO₂ Electrodes on Mixed Conducting Perovskite-Type Electrodes Revealed By in-Operando Photoelectron Spectroscopy. 232nd ECS Meeting, National Harbor, United States of America (the). http://hdl.handle.net/20.500.12708/100481 ( reposiTUm)

Brunauer, G., Rotter, B., Walch, G., Esmaeili, E., Opitz, A., Ponweiser, K., Summhammer, J., & Fleig, J. (2015). Experimental investigation of La0.8Sr0.2CrO3/SrTio3(100) heterostructure used for a high-temperature photovoltaic cell. VDI-Jahrestreffen für Wärme- und Stoffübertragung, Leipzig, Germany. http://hdl.handle.net/20.500.12708/99852 ( reposiTUm)

Doppler, M., Fleig, J., & Opitz, A. (2015). H₂S-degradation of Micro-Patterned Ni Anodes on YSZ. 3rd International Workshop on Degradation Issues of Fuel Cells and Electrolysers, Thira, Greece. http://hdl.handle.net/20.500.12708/99712 ( reposiTUm)

Huber, T., Navickas, E., Opitz, A., Chen, Y., Hetaba, W., Yildiz, B., & Fleig, J. (2015). Identifying, Quantifying and Modifying Reaction Pathways of Oxygen Reduction on Lanthanum Manganite (LSM) Model Electrodes. Joint Retreat Of Hydrogen Production Division and Fuel Cell Division of Kyushu University 2015, Yamaguchi, Japan. http://hdl.handle.net/20.500.12708/99778 ( reposiTUm)

Opitz, A., & Fleig, J. (2014). Active and resistive zones of electrochemical oxidation and reduction reactions on zirconia electrolytes. SFB FOXSI Symposium 2014, Conference Center Burg Schlaining, Austria. http://hdl.handle.net/20.500.12708/99411 ( reposiTUm)

Opitz, A. (2014). The utility of model electrodes for the separation of current pathways in solid state electrochemistry. Challenges and Opportunities in In Situ Studies of Solid Oxide Electrodes, Denmark. http://hdl.handle.net/20.500.12708/99364 ( reposiTUm)

Opitz, A. (2014). The model system Pt|yttria stabilized zirconia: Electrochemical reaction pathways of oxygen exchange. Bosch GmbH, Stuttgart, Germany. http://hdl.handle.net/20.500.12708/99348 ( reposiTUm)

Opitz, A., Kogler, S., Nenning, A., & Fleig, J. (2013). Electrode kinetics of mixed conducting oxides in reducing an oxidizing atmospheres. Workshop FOXSI-Projekt, TU Wien, Austria. http://hdl.handle.net/20.500.12708/99035 ( reposiTUm)

Opitz, A. (2012). Modellelektroden zur Untersuchung von Elektrodenreaktionen in der Festkörperelektrochemie. Seminar Physikalische Chemie an der Montanuniversität Leoben, Leoben, Austria. http://hdl.handle.net/20.500.12708/100326 ( reposiTUm)

Opitz, A., Schintlmeister, A., Hutter, H., & Fleig, J. (2008). Electrochemical oxygen reduction on Pt investigated by means of well-defined microelectrodes. Workshop Solid State Ionics, Schloss Reisensburg, EU. http://hdl.handle.net/20.500.12708/97783 ( reposiTUm)