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学科主题物理化学
Co3O4 nanosheets: synthesis and catalytic application for CO oxidation at room temperature
Lv YongGe; Li Yong; Ta Na; Shen WenJie; Shen WJ(申文杰)
关键词Co3o4 Nanosheets Co Oxidation Morphology-dependence Nanocatalysis
刊名SCIENCE CHINA-CHEMISTRY
2014-06-01
DOI10.1007/s11426-014-5062-6
57期:6页:873-880
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]COBALT HYDROXIDE ; ALPHA-COBALT ; OXIDE ; NANOCRYSTALS ; NANORODS ; NANOSTRUCTURES ; TRANSFORMATION ; PERFORMANCE ; COMBUSTION ; TRANSITION
英文摘要Hexagonal beta-Co(OH)(2) nanosheets with edge length of 50 nm and thickness of 10 nm were hydrothermally synthesized with the aid of triethylamine. Upon calcination at 350 A degrees C in air, the beta-Co(OH)(2) nanosheets was converted into Co3O4 nanosheets with a similar dimension. Structural analyses during the calcination process identified that the beta-Co(OH)(2) precursor was initially dehydrated to HCoO2 and subsequently transferred into Co3O4. When being applied to catalyze CO oxidation at room temperature, the Co3O4 nanosheets exhibited a higher activity than the conventional spherical nanoparticles. This was perhaps related to the partial exposure of the {11} planes over the Co3O4 nanosheets. The porous structure generated during the calcination process also provided significant amounts of surface defects, which might contribute to the enhanced catalytic activity as well.
语种英语
WOS记录号WOS:000336747700011
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/144375
专题中国科学院大连化学物理研究所
通讯作者Shen WJ(申文杰)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
Lv YongGe,Li Yong,Ta Na,et al. Co3O4 nanosheets: synthesis and catalytic application for CO oxidation at room temperature[J]. SCIENCE CHINA-CHEMISTRY,2014,57(6):873-880.
APA Lv YongGe,Li Yong,Ta Na,Shen WenJie,&申文杰.(2014).Co3O4 nanosheets: synthesis and catalytic application for CO oxidation at room temperature.SCIENCE CHINA-CHEMISTRY,57(6),873-880.
MLA Lv YongGe,et al."Co3O4 nanosheets: synthesis and catalytic application for CO oxidation at room temperature".SCIENCE CHINA-CHEMISTRY 57.6(2014):873-880.
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