Cobalt ammonia complex mediated preparation of hollow silica nanospheres with multi-nanochambers

Min Wang; Chen Chen; Jiping Ma; Xi Zheng; Qingwei Li; Yuqi Jin; Jie Xu

doi:10.1039/C2JM31554H

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Journal of Materials Chemistry

Issue 24, 2012

Journal of Materials Chemistry was published between 1991 and 2012. From issue 1, 2013, it was replaced by three new journals: Journal of Materials Chemistry A, B and C

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Cobalt ammonia complex mediated preparation of hollow silica nanospheres with multi-nanochambers

Min Wang,^a^c Chen Chen,^a Jiping Ma,^a^c Xi Zheng,^a^c Qingwei Li,^b Yuqi Jin^b and Jie Xu*^a

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Dalian National Laboratory for Clean Energy, State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P. R. China
E-mail: xujie@dicp.ac.cn ;
Fax: +86-411-84379245 ;
Tel: +86-411-84379245

Key Laboratory of Chemical Lasers, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P. R. China

Graduate University of Chinese Academy of Sciences, Beijing, P. R. China

J. Mater. Chem., 2012,22, 11904-11907

DOI: 10.1039/C2JM31554H
Received 13 Mar 2012, Accepted 26 Apr 2012
First published online 27 Apr 2012

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Cobalt-containing SiO₂-based nanosphere with multi-nanochambers was prepared via a microemulsion method. Addition of cobalt ammonia complex to microemulsion is a necessary step to obtain this specific structure. This novel material was found to be an efficient catalyst for the decomposition of cyclohexyl hydroperoxide, and high activity of 94% conversion with 93% selectivity for K–A oil could be obtained.