Electrooxidation of Methanol on upd-Ru and upd-Sn Modified Pt Electrodes
β Scribed by Wei, Z. D.; Li, L. L.; Luo, Y. H.; Yan, C.; Sun, C. X.; Yin, G. Z.; Shen, P. K.
- Book ID
- 121867852
- Publisher
- American Chemical Society
- Year
- 2006
- Tongue
- English
- Weight
- 380 KB
- Volume
- 110
- Category
- Article
- ISSN
- 0022-3654
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π SIMILAR VOLUMES
The oxidation of submonolayers of Ru and Sn on Pt in sulfuric acid was monitored with ellipsometry. In the presence of methanol the oxides on Ru and Sn disappear but the Pt-oxide is not affected by methanol. This signifies that Ru and Sn are present in their zero valent state during the methanol o
It has been observed in this work and previous studies that Pt,Sn alloy surfaces are very effective catalysts for CO electrooxidation, but not for methanol electrooxidation. Since CO,, is postulated to be an intermediate in methanol electrooxidation on Pt alloy surfaces, the relative inactivity of P