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Catalytic properties of Au electrodes modified by an underlayer of Pd.
- Source :
-
Surface Science . Jan2015, Vol. 631, p235-247. 13p. - Publication Year :
- 2015
-
Abstract
- Bimetallic catalysts have manifold technological applications; their reactivity can greatly exceed that of the original single metals. In this work, we investigate an ideal model-system consisting of a complete monolayer of Pd underneath the surface of Au(111). First, we investigate the stability of this system, and then its interaction with hydrogen. We analyze in detail the energetics and the electronic interactions for the Volmer step of the hydrogen evolution reaction (HER), and the further absorption below the surface layer of gold. We combine Density Functional Theory based on computational techniques with the theory of electrocatalysis. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00396028
- Volume :
- 631
- Database :
- Academic Search Index
- Journal :
- Surface Science
- Publication Type :
- Academic Journal
- Accession number :
- 99736984
- Full Text :
- https://doi.org/10.1016/j.susc.2014.06.015