Oxidation mechanism of formic acid on the bismuth adatom-modified Pt(111) surface.

In order to improve catalytic processes, elucidation of reaction mechanisms is essential. Here, supported by a combination of experimental and computational results, the oxidation mechanism of formic acid on Pt(111) electrodes modified by the incorporation of bismuth adatoms is revealed. In the proposed model, formic acid is first physisorbed on bismuth and then deprotonated and chemisorbed in formate form, also on bismuth, from which configuration the C-H bond is cleaved, on a neighbor Pt site, yielding CO2. It was found computationally that the activation energy for the C-H bond cleavage step is negligible, which was also verified experimentally.

• Publication year

  2014

• Venue

  Journal of the American Chemical Society

• Publication date

  2014-09-11

• Fields of study

  Medicine, Chemistry

• Identifiers
  DOI 10.1021/ja505943hPMID 25188779
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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