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《CHINESE JOURNAL OF CATALYSIS》 1999-03
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STUDY OF VISIBLE SPECTRAL SENSITIZATION OF NANOCRYSTALLINE TiO 2 PHOTOCATALYST

Zhang Feng, Li Qinglin (Lanzhou Institute of Chemical Physics, The Chinese Academy of Sciences, Lanzhou 730000) Yang Jianjun, Zhang Zhijun (Lubrication and Functional Material Key Laboratory, Henan University, Kaifeng 475001)  
The study of visible spectral sensitization of nanocrystalline TiO 2, doped with metal ions in cosolvent, was reported. The experimental results indicated that the vanadium doped TiO 2 photocatalyst exhibited high photocatalytic activity of 96 9% for decomposition of H 2S with initial concentration of 50 μl/L under visible light illumination. The XPS determined the existence of vanadium as an impurity in TiO 2 lattice and the investigation of powder conductivity revealed that two types of conductive mechanism existed in the metal doped TiO 2.
【Fund】: 国家自然科学基金
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