Topologically sensitive surface segregations of Au-Pd alloys in electrocatalytic hydrogen evolution

Maki Okube, Valery Petrykin, Jonathan E. Mueller, Donato Fantauzzi, Petr Krtil, Timo Jacob

研究成果: Article査読

8 被引用数 (Scopus)

抄録

Density functional calculations along with in situ X-ray absorption spectroscopy data show that AuPd alloys form unique potential- controlled surface structures during the hydrogen evolution. We find evidence for surface segregations preferring a gold surface if the surface is free of chemisorbed species, while hydrogen adsorption triggers palladium segregation into the surface.

本文言語English
論文番号CELC201300112
ジャーナルChemElectroChem
1
1
DOI
出版ステータスPublished - 2014 1 3

ASJC Scopus subject areas

  • Catalysis
  • Electrochemistry

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