Co_3O_4 nanosheets:synthesis and catalytic application for CO oxidation at room temperature

作     者：LV YongGe LI Yong TA Na SHEN WenJie 

作者机构：State Key Laboratory of CatalysisDalian Institute of Chemical PhysicsChinese Academy of Sciences 

出 版 物：《Science China Chemistry》 (中国科学（化学英文版）)

年 卷 期：2014年第57卷第6期

页      面：873-880页

核心收录：

学科分类：081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学] 

基　　金：supported by the National Basic Research Program of China(2013CB933100) the National Natural Science Foundation of China(20923001 and 21025312) 

主　　题：Co3O4 nanosheets CO oxidation morphology-dependence nanocatalysis 

摘      要：Hexagonal β-Co(OH)2 nanosheets with edge length of 50 nm and thickness of 10 nm were hydrothermally synthesized with the aid of *** calcination at 350°C in air,the β-Co(OH)2 nanosheets was converted into Co3O4 nanosheets with a similar *** analyses during the calcination process identified that the β-Co(OH)2 precursor was initially dehydrated to HCoO2 and subsequently transferred into *** being applied to catalyze CO oxidation at room temperature,the Co3O4 nanosheets exhibited a higher activity than the conventional spherical *** was perhaps related to the partial exposure of the{112}planes over the Co3O4 *** porous structure generated during the calcination process also provided significant amounts of surface defects,which might contribute to the enhanced catalytic activity as well.