Low-Temperature CO Oxidation of Gold Catalysts Loaded on Mesoporous TiO2 Whisker Derived from Potassium Dititanate

被引：26
|
作者：
Zhu, Yinhua [1 ]
Li, Wei [1 ]
Zhou, Yaxin [1 ]
Lu, Xiaohua [1 ]
Feng, Xin [1 ]
Yang, Zhuhong [1 ]
机构：
[1] Nanjing Univ Technol, State Key Lab Mat Oriented Chem Engn, Nanjing 210009, Peoples R China
来源：
CATALYSIS LETTERS | 2009年 / 127卷 / 3-4期
关键词：
Gold; Mesoporous TiO2 whisker; CO oxidation; Catalyst; FIBROUS TITANIA; NANOPARTICLES; REACTIVITY; SUPPORT; HYDROGENATION; DEGRADATION; CALCINATION; DEPOSITION; NANORODS; FIBERS;
D O I：
10.1007/s10562-008-9710-3
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：
Mesoporous TiO2 whisker was loaded with gold (denoted as Au/T(t), t represents the calcination temperature of support) by deposition-precipitation with urea (DPU) and then used in low-temperature CO oxidation. Disparate morphologies were obtained for the gold deposited on different TiO2 whisker samples while the particle sizes were in a similar range. The better performance of Au/T(600) than Au/T(300) was attributed to the increased contacting area of gold/titania and the strong interaction between gold and well-crystallized suppot surface.
引用
收藏
页码：406 / 410
页数：5
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