期刊
APPLIED SURFACE SCIENCE
卷 258, 期 15, 页码 5703-5706出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2012.02.065
关键词
SnO2; Flower-like; Environmental performance; Photocatalytic mechanism
类别
资金
- Fujian Provincial Education Committee [JA10205]
Flower-like SnO2 single crystals were successfully synthesized using hydrothermal method and characterized by X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Brunauer-Emmett-Teller (BET), field emission scanning electron microscopy (FESEM) and UV-vis diffuse reflectance (DRS). As-synthesized flower-like SnO2 single crystals exhibited higher photoactivity (about 2.2 times) than granular SnO2 for degradation of Rhodamine B (RhB) dye. The trapping experiment showed that the holes (h(+)) and hydroxyl radical ((OH)-O-center dot) were the main active species in the photodegradation process. Crown Copyright (C) 2012 Published by Elsevier B.V. All rights reserved.
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