Photocatalytic activity of porous TiO2 films prepared by anodic oxidation
来源期刊：Rare Metals2007年第2期
论文作者：WANG Wei, TAO Jie, WANG Tao, and WANG Ling College of Material Science & Technology, Nanjing University of Aeronautics and Astronautics, Nanjing , China
文章页码：136 - 141
摘 要：Anatase titanium dioxide is an active photocatalyst, however, it is difficult to be immobilized on the substrate. The crystalline TiO2 porous film was prepared directly on the surface of pure titanium by anodic oxidation. The film was then used for photocatalysis via the methyl orange degradation method. The effects of anodization voltage, pH value, TiO2 film area and degradation time on the photocatalyst were investigated respectively by UV-visible spectrum. It was indicated that the TiO2 film prepared by anodic oxidation at 140 V had the best photocatalysis capability and the degradation of methyl orange was accelerated with acid addition.
WANG Wei, TAO Jie, WANG Tao, and WANG Ling College of Material Science & Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
摘 要：Anatase titanium dioxide is an active photocatalyst, however, it is difficult to be immobilized on the substrate. The crystalline TiO2 porous film was prepared directly on the surface of pure titanium by anodic oxidation. The film was then used for photocatalysis via the methyl orange degradation method. The effects of anodization voltage, pH value, TiO2 film area and degradation time on the photocatalyst were investigated respectively by UV-visible spectrum. It was indicated that the TiO2 film prepared by anodic oxidation at 140 V had the best photocatalysis capability and the degradation of methyl orange was accelerated with acid addition.
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