From HCOOH to CO at Pd Electrodes: A Surface-Enhanced Infrared Spectroscopy Study

From HCOOH to CO at Pd Electrodes: A Surface-Enhanced Infrared Spectroscopy Study

The decomposition of HCOOH on Pd surfaces over a potential range of practical relevance to hydrogen production and fuel cell anode operation was probed by combining high-sensitivity in situ surface-enhanced IR spectroscopy with attenuated total reflection and thin-layer flow cell configurations. For...

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Bibliographic Details
Published in:Journal of the American Chemical Society Vol. 133; no. 38; pp. 14876 - 14879
Main Authors: Wang, Jin-Yi, Zhang, Han-Xuan, Jiang, Kun, Cai, Wen-Bin
Format: Journal Article
Language:English
Published: United States American Chemical Society 28-09-2011
Subjects:
Carbon Monoxide - chemical synthesis
Carbon Monoxide - chemistry
Electrodes
Formates - chemistry
Palladium - chemistry
Spectrophotometry, Infrared
Surface Properties
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Summary:The decomposition of HCOOH on Pd surfaces over a potential range of practical relevance to hydrogen production and fuel cell anode operation was probed by combining high-sensitivity in situ surface-enhanced IR spectroscopy with attenuated total reflection and thin-layer flow cell configurations. For the first time, concrete spectral evidence of COad formation has been obtained, and a new main pathway from HCOOH to COad involving the reduction of the dehydrogenation product of HCOOH (i.e., CO2) is proposed.
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content type line 23
ISSN:0002-7863
1520-5126
DOI:10.1021/ja205747j