Synthesis of hollow Mn3O4-in-Co3O4 magnetic microspheres and its chemiluminescence and catalytic properties

被引：27
|
作者：
Teng, Fei [1 ]
Xu, Tongguang [2 ]
Liang, Shuhui [2 ]
Buergen, Gauloo [2 ]
Yao, Wenqing [2 ]
Zhu, Yongfa [2 ]
机构：
[1] Nanjing Univ Informat Sci & Technol, Dept Chem, Coll Environm Sci & Engn, Nanjing 210044, Peoples R China
[2] Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2008年 / 9卷 / 06期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
hollow Mn3O4-in-Co3O4; hollow Co3O4; chemiluminescence; CO oxidation;
D O I：
10.1016/j.catcom.2007.10.032
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：
The novel hollow Mn3O4-in-Co3O4 and hollow Co3O4 microspheres were prepared through a hydrothermal route, following by subsequent impregnation and annealing. The samples were characterized by SEM (EDS), TEM (ED), XRD, and N-2 adsorption. The chemiluminescence (CL) and catalytic properties for CO oxidation over these hollow samples were evaluated. The hollow Mn3O4-in-Co3O4 catalyst showed a stronger CL response to CO and a higher catalytic activity for CO oxidation, compared with the hollow Co3O4 sample, which was attributed to the novel structure of crystals-in-ball. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：1119 / 1124
页数：6
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