期刊
JOURNAL OF NANOTECHNOLOGY
卷 2012, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2012/214783
关键词
-
资金
- National Natural Science Foundation of China [21103095]
- Natural Science Foundation of Fujian Province [2010J05030]
Bismuth-doped TiO2 submicrospheres were synthesized by ultrasonic spray pyrolysis. The prepared bismuth-doped titania was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), UVvisible diffuse reflectance spectroscopy (UV-vis DRS), and X-ray photoelectron spectroscopy (XPS). Aqueous photocatalytic activity was evaluated by the decomposition of methyl orange under visible-light irradiation. The results indicate that doping of bismuth remarkably affects the phase composition, crystal structure, and the photocatalytic activity. The sample with 2% Bi exhibits the optimum photocatalytic activity.
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