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题名: Morphology-Controlled Synthesis of Co3O4 Nanocubes and Their Catalytic Performance in CO Oxidation
作者: Lu Yong-Ge1;  Li Yong1;  Ta Na1;  Shen Wen-Jie1
关键词: Co3O4 ;  Solvothermal synthesis ;  Morphology-dependence ;  Nanocube ;  CO oxidation
刊名: ACTA PHYSICO-CHIMICA SINICA
发表日期: 2014-02-01
DOI: 10.3866/PKU.WHXB201312032
卷: 30, 期:2, 页:382-388
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Co3O4 nanocubes that were exclusively terminated with {100} facets of edge size 10 nm were solvothermally fabricated in a mixed solution of ethanol and triethylamine. Analyses of the structural evolution of the intermediates at different intervals during the synthesis, together with an examination of the influences of the cobalt precursor and solvent on the product structure, showed that the formation of Co3O4 nanocubes followed a dissolution-recrystallization mechanism. After calcination at 200 degrees C, the as-synthesized Co3O4 material retained a cubic morphology with the same edge size, but calcination at 400 degrees C resulted in the formation of spherical Co3O4 particles of diameter about 13 nm. The Co3O4 nanocubes exhibited inferior activity in room-temperature CO oxidation compared with Co3O4 nanoparticles ({111} facets), primarily as a result of the exposure of the less-reactive {100} facets, demonstrating the morphology effect of Co3O4 nanomaterials.
关键词[WOS]: LITHIUM-ION BATTERIES ;  SENSING PROPERTIES ;  ELECTROCHEMICAL PROPERTIES ;  ELECTROCATALYTIC ACTIVITY ;  IN-SITU ;  COBALT ;  NANOTUBES ;  OXIDE ;  DFT
语种: 英语
WOS记录号: WOS:000330169600025
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145792
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning Provin, Peoples R China

Recommended Citation:
Lu Yong-Ge,Li Yong,Ta Na,et al. Morphology-Controlled Synthesis of Co3O4 Nanocubes and Their Catalytic Performance in CO Oxidation[J]. ACTA PHYSICO-CHIMICA SINICA,2014,30(2):382-388.
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