Temporal analysis of products (TAP) study on low temperature carbon monoxide oxidation on supported Au catalysts

被引：5

作者：

Olea, Maria

Tada, Mizuki

Iwasawa, Yasuhiro

机构：

[1] Univ Ghent, Dept Chem Engn, Petrochem Tech Lab, B-9000 Ghent, Belgium

[2] Univ Tokyo, Grad Sch Sci, Dept Chem, Bunkyo Ku, Tokyo 1130033, Japan

来源：

TOPICS IN CATALYSIS | 2007年 / 44卷 / 1-2期

关键词：

supported gold catalysts; carbon monoxide oxidation; reaction mechanism; TAP;

D O I：

10.1007/s11244-007-0287-7

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

TAP (temporal analysis of products) technique was used to clarify the controversial mechanism for low-temperature CO oxidation on supported An catalysts involving unidentified moisture effects on the performances. The unique TAP transient technique, along the use of a specially prepared, highly active Au/Ti(OH)(4)* catalyst, provided the information and characterization of each elementary step involving weak and reversible CO adsorption, strong and molecular O-2 adsorption, and their surface reaction, which are suppressed by the coexistence of water vapor.

引用

页码：137 / 143

页数：7

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