At least Three Contiguous Atoms Are Necessary for CO Formation during Methanol Electrooxidation on Platinum

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Abstract

We have used cyanide-modified Pt(111) electrodes to investigate the size and geometry of the minimum atomic ensemble necessary for the oxidation of methanol on Pt electrodes. Poison formation on cyanide-modified Pt(111) is completely inhibited, the corresponding electrooxidation reaction proceeding, hence, exclusively through the reactive intermediate pathway. These results suggest that formation of adsorbed CO would require the presence of at least three contiguous Pt atoms.
Original languageEnglish
Pages (from-to)13332-1333
Number of pages13333
JournalJournal of the American Chemical Society
Volume128
Issue number41
Early online date27 Sep 2006
DOIs
Publication statusPublished - 18 Oct 2006

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