Theory meets experiment: Electrocatalysis of hydrogen oxidation/evolution at Pd-Au nanostructures

P. Quaino, E. Santos, H. Wolfschmidt, M. A. Montero, U. Stimming

Research output: Contribution to journalArticlepeer-review

63 Scopus citations

Abstract

The oxidation and evolution reactions of hydrogen are investigated at nanostructures of palladium-gold combining experimental and theoretical approaches. The extraordinary reactivity of submonolayers of Pd on Au(1 1 1) has been explained by a direct correlation with the changes in the electronic properties and geometrical arrangements. The application of the electrocatalysis theory, which goes beyond the qualitative approach of the d band centers, allows explaining quantitatively the experimental finding.

Original languageEnglish
Pages (from-to)55-63
Number of pages9
JournalCatalysis Today
Volume177
Issue number1
DOIs
StatePublished - 22 Nov 2011

Keywords

  • Au(1 1 1)
  • Electrocatalysis
  • Electron transfer reactions
  • Hydrogen oxidation/evolution
  • Nanostructures
  • Pd
  • d-bands

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