Comparative study of photocatalytic performance of titanium oxide spheres assembled by nanorods, nanoplates and nanosheets

被引：6

作者：

Liu, Meinan ^{[1
]}

Chang, Jin ^{[2
]}

Yan, Cheng ^{[1
]}

Bell, John ^{[1
]}

机构：

[1] Queensland Univ Technol, Sch Engn Syst, 2 George St, Brisbane, Qld 4001, Australia

[2] Queensland Univ Technol, Chem Discipline, Brisbane, Qld 4001, Australia

来源：

INTERNATIONAL JOURNAL OF SMART AND NANO MATERIALS | 2012年 / 3卷 / 01期

关键词：

titanium oxide; hierarchical spheres; photocatalyst;

D O I：

10.1080/19475411.2011.638345

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

TiO2 spheres assembled by nanorods, nanoplates and nanosheets were fabricated by facile hydrothermal/solvothermal methods. The three samples were thoroughly characterised by scanning electron microscopy, X-ray diffraction, the Brunauer-Emmett-Teller method and UV spectroscopy. The surface area of spheres assembled by nanosheets was 83.9 m(2)g(-1), which is larger than that obtained for nanorods (10.8 m(2)g(-1)) and nanoplates (6.31 m(2)g(-1)). Their photocatalytic performance was evaluated in terms of the decomposition rate of methyl orange in these three samples under UV irradiation. The best photoactivity was observed in the samples constructed from nanosheets.

引用

页码：72 / 80

页数：9

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