期刊
MATERIALS RESEARCH BULLETIN
卷 47, 期 11, 页码 3065-3069出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2012.08.046
关键词
Nanostructures; Semiconductors; Chemical synthesis; Catalytic properties
资金
- Key Project of the National Natural Science Foundation of China [20933007]
- Key Discipline Development Program of Shanghai Municipal Education Commission [J51503]
Mesoporous TiO2 hollow spheres were prepared in a solvothermal process, which did not involve any templates and surfactants. Meanwhile, the photocatalytic activity of TiO2 hollow spheres was studied using methyl orange as a probe. The results indicate that the anatase TiO2 hollow spheres with mesoporous walls and high specific surface area (141 m(2) g(-1)) can be obtained using this simple method. The mean diameter and wall thickness of spheres are about 700 nm and 90 nm, respectively. Moreover, the as-prepared TiO2 hollow spheres display high photocatalytic activity with 98% of degradation ratio of methyl orange after 30 min irradiation. (C) 2012 Elsevier Ltd. All rights reserved.
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