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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 33, Number 4
BKCSDE 33(4)
April 20, 2012 

Enhanced Visible Light Activity and Stability of TiO2 Nanopowder by co-doped with Mo and N
Shaozheng Hu,* Fayun Li, Zhiping Fan
co-doping, Molybdenum, TiO2, Stability, Visible light
A visible light responsive N, Mo co-doped TiO2 were prepared by sol-gel method. X-ray diffraction, TEM, N2 adsorption, UV-vis spectroscopy, photoluminescence, and X-ray photoelectron spectroscopy were used to characterize the prepared TiO2 samples. Doping restrained the phase transformation from anatase to rutile and reduced the particle sizes. The band gap was much narrowed after N, Mo co-doping. The photocatalytic activities were tested in the degradation of an aqueous solution of a reactive dyestuff, methylene blue, under visible light. The photocatalytic activities of doped TiO2 were much higher than that of neat TiO2. The photocatalytic stability of N, Mo co-doped TiO2 was much better than that of N doped TiO2.
1269 - 1274
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