Pramhaas, V., & Rupprechter, G. (2023). Sum Frequency Generation (SFG) Spectroscopy. In I. Wachs & M. A. Bañares (Eds.), Springer Handbook of Advanced Catalyst Characterization (pp. 213–233). Springer. https://doi.org/10.1007/978-3-031-07125-6_10
E165 - Institut für Materialchemie E165-01 - Forschungsbereich Physikalische Chemie E165-01-1 - Forschungsgruppe Modellkatalyse und angewandte Katalyse
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Published in:
Springer Handbook of Advanced Catalyst Characterization
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ISBN:
978-3-031-07125-6
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Date (published):
18-May-2023
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Number of Pages:
21
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Publisher:
Springer, Cham
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Keywords:
Catalysis; Surface Science
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Abstract:
Infrared-visible sum frequency generation (SFG) laser spectroscopy is an interface-specific nonlinear optical method that provides vibrational spectra of molecules located at surfaces or interfaces. Provided the interface is accessible to light, SFG allows identifying chemical species, molecular densities, and molecular orientations, with sub-picosecond time resolution. Resulting from its selection rules, SFG is typically not sensitive to bulk or isotropic phases, making the method highly interface-specific. SFG can thus be utilized to investigate buried interfaces in gaseous or liquid environments.
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Research Areas:
Materials Characterization: 25% Surfaces and Interfaces: 50% Structure-Property Relationsship: 25%
