Differences in Catalytic Sites for CO Oxidation and Propylene Epoxidation on Au Nanoparticles

被引：65
|
作者：
Lee, Wen-Sheng
Zhang, Rong
Akatay, M. Cem [1 ,2 ]
Baertsch, Chelsey D.
Stach, Eric A. [1 ,2 ,3 ]
Ribeiro, Fabio H.
Delgass, W. Nicholas [1 ]
机构：
[1] Purdue Univ, Sch Mat Engn, W Lafayette, IN 47907 USA
[2] Purdue Univ, Birck Nanotechnol Ctr, W Lafayette, IN 47907 USA
[3] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA
来源：
ACS CATALYSIS | 2011年 / 1卷 / 10期
关键词：
propylene epoxidation; CO oxidation; Au/TS-1; gold active site; GOLD CLUSTERS; PROPENE EPOXIDATION; TITANIA CATALYSTS; TS-1; O-2; TEMPERATURE; REACTIVITY; STABILITY; H-2; SILICA;
D O I：
10.1021/cs200373f
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Sintering and increased Au loading of Au/TS-1 causes the rate of CO oxidation per mole of Au to increase, whereas that for epoxidation of propylene in O-2 and H-2 decreases. This opposite trend in rate behavior shows that the catalytic sites for the two reactions must be different.
引用
收藏
页码：1327 / 1330
页数：4
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