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Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics, Department of Biomedical Engineering, Huazhong University of Science and Technology, Wuhan, P.R. China
; Fax: +86-27-87792202
; Tel: +86-27-87792235
Dalton Trans., 2013,42, 885-889
03 Sep 2012,
09 Nov 2012
First published online
12 Nov 2012
Here we report the use of sulfuric acid as a catalyst for the facile and homogeneous synthesis of core–shell SiO2@TiO2 nanocomposites using simple apparatus, under ambient pressure and temperature. The resultant SiO2@TiO2 exhibits an ideal core–shell structure with uniform nanoscale TiO2 coverage. The shell thickness of SiO2@TiO2 can be conveniently tuned through adjustment of the esterification reaction parameters. Moreover, SiO2@TiO2 shows improved catalytic activity in the photodegradation of methyl orange.
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