Title: Hydrogen oxidation on stepped Rh surfaces: µm-scale versus nanoscale
Language: English
Authors: Datler, Martin 
Bespalov, Ivan 
Buhr, Sebastian 
Zeininger, Johannes 
Stöger-Pollach, Michael 
Bernardi, Johannes 
Rupprechter, Günther
Suchorski, Yuri
Category: Research Article
Forschungsartikel
Keywords: Hydrogen oxidation; Photoemission electron microscopy; Field emission microscopy; Rhodium
Issue Date: 2016
Journal: Catalysis Letters
Abstract: 
The catalytic H2 oxidation reaction on stepped Rh surfaces in the 10−6 mbar pressure range was studied in situ on individual high-Miller-index domains of a polycrystalline Rh foil by PEEM (photoemission electron microscopy) and on a Rh nanotip by FIM/FEM (field-ion/field-emission microscopy). The activity, particularly the tolerance to poisoning by oxygen, was found to strongly depend on the density of steps and defects, as well as on the size of the catalytically active surfaces.
DOI: 10.1007/s10562-016-1824-4
Library ID: AC11360822
URN: urn:nbn:at:at-ubtuw:3-2589
ISSN: 1572-879X
Organisation: E165 - Institut für Materialchemie 
Publication Type: Article
Artikel
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