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Template-free synthesis of Cu@Cu2O core-shell microspheres and their application as copper-based catalysts for dimethyldichlorosilane synthesis
Zhang, Zailei1; Che, Hongwei1; Wang, Yingli1; Gao, Jiajian1; Ping, Yuan1; Zhong, Ziyi2; Su, Fabing1; Wang, YL
2012-11-15
发表期刊CHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
卷号211期号:0页码:421-431
摘要We report the synthesis of Cu@Cu2O core-shell microspheres via a facile template-free solvothermal method. The resulting products were characterized by X-ray diffraction, scanning electron microscopy with energy-dispersive spectroscopy, transmission electron microscopy, temperature-programmed reduction, and thermogravimetric analysis. It is found that, Cu2O microspheres were firstly formed through the reduction of copper acetate by glutamic acid, and then, the reduction started inside the microspheres due to the higher surface energies of inner Cu2O particles, resulting in the formation of Cu@Cu2O core-shell structure. The content of Cu core in the composite microspheres increased with the reaction time and temperature. The as-prepared Cu@Cu2O core-shell microspheres exhibited a better catalytic performance for dimethyldichlorosilane synthesis than pure Cu2O and Cu, and even superior to the physically mixed Cu and Cu2O microspheres possibly because of the synergistic catalytic effect. These Cu@Cu2O core-shell microspheres will have potential application in organosilicon industry as copper-based catalysts. (C) 2012 Elsevier B.V. All rights reserved.
关键词Copper Cuprous Oxide Core-shell Microspheres Dimethyldichlorosilane Synthesis
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.cej.2012.09.095
收录类别SCI
语种英语
关键词[WOS]FACILE SOLVOTHERMAL SYNTHESIS ; LITHIUM-STORAGE PROPERTIES ; HOLLOW MICROSPHERES ; REDUCTION REACTION ; CU2O MICROSPHERES ; CARBON NANOTUBES ; ROCHOW REACTION ; METAL ; CUO ; NANOPARTICLES
WOS研究方向Engineering
WOS类目Engineering, Environmental ; Engineering, Chemical
WOS记录号WOS:000313762000051
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.ipe.ac.cn/handle/122111/2701
专题多相复杂系统国家重点实验室
通讯作者Wang, YL
作者单位1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
2.ASTAR, Inst Chem Engn & Sci, Singapore 627833, Singapore
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Zhang, Zailei,Che, Hongwei,Wang, Yingli,et al. Template-free synthesis of Cu@Cu2O core-shell microspheres and their application as copper-based catalysts for dimethyldichlorosilane synthesis[J]. CHEMICAL ENGINEERING JOURNAL,2012,211(0):421-431.
APA Zhang, Zailei.,Che, Hongwei.,Wang, Yingli.,Gao, Jiajian.,Ping, Yuan.,...&Wang, YL.(2012).Template-free synthesis of Cu@Cu2O core-shell microspheres and their application as copper-based catalysts for dimethyldichlorosilane synthesis.CHEMICAL ENGINEERING JOURNAL,211(0),421-431.
MLA Zhang, Zailei,et al."Template-free synthesis of Cu@Cu2O core-shell microspheres and their application as copper-based catalysts for dimethyldichlorosilane synthesis".CHEMICAL ENGINEERING JOURNAL 211.0(2012):421-431.
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