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Formate, an Active Intermediate for Direct Oxidation of Methanol on Pt Electrode
Abstract
The electro-oxidation of methanol on a Pt thin film electrode in acidic solution has been investigated by in situ surface-enhanced IR absorption spectroscopy. A new IR peak is observed at around 1320 cm-1 when the electrode potential is more positive than 0.5 V, where the bulk oxidation of MeOH occurs. This peak has been assigned to the symmetric stretching of formate species adsorbed on the Pt electrode surface. It is the first observation of formate adsorption during the electro-oxidation of methanol on a Pt surface. A near proportional relationship between the intensity of the IR band of the formate species and MeOH electro-oxidation current is observed. A new reaction scheme via non-CO pathway with formate as the active intermediate is proposed for the methanol electro-oxidation process.
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Citations
Cited by
Bianchini, C., & Shen, P. K. (2009) · Chemical Reviews · doi:10.1021/cr9000995 · Cited by 1,626
Centi, G., Quadrelli, E. A., & Perathoner, S. (2013) · Energy & Environmental Science · doi:10.1039/c3ee00056g · Cited by 1,257
Yao, Y., Zhu, S., Wang, H., Li, H., & Shao, M. (2018) · Journal of the American Chemical Society · doi:10.1021/jacs.7b12101 · Cited by 732
A single-Pt-atom-on-Ru-nanoparticle electrocatalyst for CO-resilient methanol oxidation
Poerwoprajitno, A. R., Gloag, L., Watt, J., Cheong, S., Tan, X., Lei, H., Tahini, H. A., Henson, A., Subhash, B., Bedford, N. M., et al. (2022) · Nature Catalysis · doi:10.1038/s41929-022-00756-9 · Cited by 363
In-Situ ATR-FTIR Spectroscopic Study of Electro-oxidation of Methanol and Adsorbed CO at Pt−Ru Alloy
Yajima, T., Uchida, H., & Watanabe, M. (2004) · The Journal of Physical Chemistry B · doi:10.1021/jp037215q · Cited by 347
Metadata
- Authors
- Chen, Y. X., Miki, A., Ye, S., Sakai, H., & Osawa, M.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2003-03-08
- Volume
- 125
- Issue
- 13
- Pages
- 3680-3681
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2082029971
- Cited by
- 496
- References
- 0
- FWCI
- 17.71
- Type
- journal article
- Language
- en
- Open access
- closed
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- Chen, Y. X., Miki, A., Ye, S., Sakai, H., & Osawa, M. (2003). Formate, an Active Intermediate for Direct Oxidation of Methanol on Pt Electrode. Journal of the American Chemical Society. https://doi.org/10.1021/ja029044t
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