✦ LIBER ✦
Low-temperature carbon monoxide oxidation on Pt(111). Dependence of apparent activation energy on reactant gas composition
✍ Scribed by Christopher Hardacre; R.Mark Ormerod; Richard M. Lambert
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 364 KB
- Volume
- 206
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
The low-temperature catalytic oxidation of CO by O3 over a pure Pt ( 11 I ) surface has been studied over a range of CO :02 partial pressure ratios at a total pressure of 10 Torr. A marked variation in apparent activation energy with gas composition is found, with a pronounced minimum in the vicinity of the stoichiometric ratio (2 : 1). The results may be understood in terms of changes in the strength of M-CO and M-G bonding.