Direct evidence for active site-dependent formic acid electro-oxidation by topmost-surface atomic redistribution in a ternary PtPdCu electrocatalyst

The active site-dependent electrochemical formic acid oxidation was evidenced by the increased coverage of Pt in the topmost mixed PtPd alloy layer of ternary PtPdCu upon potential cycling, which demonstrated two catalytic pathways only in one catalyst owing to surface atomic redistribution in an ac...

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Published inChemical communications (Cambridge, England) Vol. 48; no. 99; pp. 12062 - 12064
Main Authors Cui, Chun-Hua, Li, Hui-Hui, Cong, Huai-Ping, Yu, Shu-Hong, Tao, Franklin Feng
Format Journal Article
LanguageEnglish
Published England 25.12.2012
Subjects
Catalysis
Catalysts
Cycles
Electrocatalysts
Electrolytes
Formic acid
Pathways
Surface chemistry
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Summary:The active site-dependent electrochemical formic acid oxidation was evidenced by the increased coverage of Pt in the topmost mixed PtPd alloy layer of ternary PtPdCu upon potential cycling, which demonstrated two catalytic pathways only in one catalyst owing to surface atomic redistribution in an acidic electrolyte environment.
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ISSN:1359-7345
1364-548X
DOI:10.1039/c2cc35822k