In situ source-template-interface reaction route to hollow ZrO2 microspheres with mesoporous shells

被引：40
|
作者：
Lin, Feng-Qiang
Dong, Wen-Sheng [1 ]
Liu, Chun-Ling
Liu, Zhaotie
Li, Mengyuan
机构：
[1] Shaanxi Normal Univ, Minist Educ, Key Lab Appl Surface & Colloid Chem, Xian 710062, Peoples R China
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2008年 / 323卷 / 02期
关键词：
zirconia; hollow microspheres; CO oxidation; platinum catalysts;
D O I：
10.1016/j.jcis.2008.04.030
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：
Hollow ZrO2 microspheres with mesoporous shells have been synthesized by a novel hydrothermal reaction of zirconium oxychloride in the presence of urea, hydrochloric acid, and ethanol. The morphology and shell thickness of the hollow microspheres can be controlled by varying synthesis conditions. After calcination at high temperature, the morphologies of the hollow microspheres are essentially preserved. Pt catalyst supported on the hollow calcined ZrO2 microspheres exhibits more excellent catalytic performance in CO oxidation than those on ZrO2 powders derived from conventional precipitation methods. (c) 2008 Elsevier Inc. All rights reserved.
引用
收藏
页码：365 / 371
页数：7
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