Metal-organic framework as a host for synthesis of nanoscale Co3O4 as an active catalyst for CO oxidation

被引：126

作者：

Wang, Weixia ^{[1
]}

Li, Yingwei ^{[1
]}

Zhang, Rongjun ^{[2
]}

He, Dehua ^{[2
]}

Liu, Hongli ^{[1
]}

Liao, Shijun ^{[1
]}

机构：

[1] S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510640, Peoples R China

[2] Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China

来源：

CATALYSIS COMMUNICATIONS | 2011年 / 12卷 / 10期

关键词：

Metal-organic framework; Cobalt oxide nanoparticles; Carbon monoxide oxidation; Catalyst stability; ZEOLITIC IMIDAZOLATE FRAMEWORKS; TEXTURAL PARAMETERS; GOLD NANOPARTICLES; MESOPOROUS CO3O4; INFILTRATION; TEMPERATURE; PALLADIUM; MOF-5;

D O I：

10.1016/j.catcom.2011.02.001

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：

Co3O4 nanoparticles were prepared from cobalt nitrate that was accommodated in the pores of a metal-organic framework (MOF) ZIF-8 (Zn(MeIM)(2), MeIM=2-methylimidazole) by using a simple liquid-phase method. The ZIF-8 host was removed by pyrolysis under air and subsequently washing with an NH4Cl-NH3 center dot H2O aqueous solution. Transmission electron microscopy (TEM) analysis shows that the obtained Co3O4 is composed of separate nanoparticles with a mean size of 18 nm. The Co3O4 nanoparticles exhibit excellent catalytic activity, cycling stability, and long-term stability in the low temperature CO oxidation. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：875 / 879

页数：5

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