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

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

doi:10.1016/j.cattod.2011.05.004

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

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

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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 language	English
Pages (from-to)	55-63
Number of pages	9
Journal	Catalysis Today
Volume	177
Issue number	1
DOIs	https://doi.org/10.1016/j.cattod.2011.05.004
State	Published - 22 Nov 2011

Keywords

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

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10.1016/j.cattod.2011.05.004

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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.",

keywords = "Au(1 1 1), Electrocatalysis, Electron transfer reactions, Hydrogen oxidation/evolution, Nanostructures, Pd, d-bands",

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AU - Wolfschmidt, H.

AU - Montero, M. A.

AU - Stimming, U.

PY - 2011/11/22

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AB - 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.

KW - Au(1 1 1)

KW - Electrocatalysis

KW - Electron transfer reactions

KW - Hydrogen oxidation/evolution

KW - Nanostructures

KW - Pd

KW - d-bands

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JO - Catalysis Today

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

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Keywords

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