Design and Synthesis of 3D Ordered Macroporous CeO2-Supported Pt@CeO2-δ Core-Shell Nanoparticle Materials for Enhanced Catalytic Activity of Soot Oxidation

被引：80
|
作者：
Wei, Yuechang [1 ]
Zhao, Zhen [1 ]
Liu, Jian [1 ]
Xu, Chunming [1 ]
Jiang, Guiyuan [1 ]
Duan, Aijun [1 ]
机构：
[1] China Univ Petr, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
来源：
SMALL | 2013年 / 9卷 / 23期
基金：
中国国家自然科学基金;
关键词：
GOLD NANOPARTICLES; CARBON-BLACK; PLATINUM; PERFORMANCE; COMBUSTION; OXIDE; RAMAN; CEO2; SIZE; DYNAMICS;
D O I：
10.1002/smll.201301027
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Materials with Pt@CeO2-δ core-shell nanoparticles on 3D-ordered macroporous (3DOM) CeO2 are prepared by in situ colloidal crystal templating. 3DOM Ptn@CeO2-δ/CeO2 catalysts, which have both good contact between the solid reactant and the catalyst and a high density of coordinatively unsaturated ceric sites, show high catalytic activities and stabilities for soot oxidation. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：3957 / 3963
页数：7
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