Hydrogen Electrocatalysis on Single Crystals and on Nanostructured Electrodes | Zendy

Santos Elizabeth | Zendy; Hindelang Peter | Zendy; Quaino Paola | Zendy; Schulz Eduardo N. | Zendy; Soldano Germán | Zendy; Schmickler Wolfgang | Zendy

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Hydrogen Electrocatalysis on Single Crystals and on Nanostructured Electrodes

Author(s) -

Santos Elizabeth,

Hindelang Peter,

Quaino Paola,

Schulz Eduardo N.,

Soldano Germán,

Schmickler Wolfgang

Publication year - 2011

Publication title -

chemphyschem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.016

H-Index - 140

eISSN - 1439-7641

pISSN - 1439-4235

DOI - 10.1002/cphc.201100309

Subject(s) - electrocatalyst , monolayer , nanostructure , hydrogen , transition metal , electrode , adsorption , materials science , catalysis , nanotechnology , chemical physics , inorganic chemistry , chemistry , electrochemistry , organic chemistry

We investigate hydrogen evolution on plain and nanostructured electrodes with a theory developed by us. On electrodes involving transition metals the most strongly adsorbed hydrogen is often only a spectator, while the reaction proceeds via a weakly adsorbed species. For Pt(111) the isotherms for both species are calculated. We explain why a nanostructure consisting of a monolayer of Pd on Au(111) is a good catalysts, and predict that Rh/Au(111) should be even better. Our calculations for a fair number of metals are in good agreement with experiment.

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