可視光活性を有するNドープTiO_2ナノチューブのメチルオレンジ分解
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概要
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N-doped TiO_2 nanotubes were prepared by a wet process and with an additional thermal treatment. Firstly, titanate nanotubes were prepared by a hydrothermal chemical method. Then the obtained nanotubes were immersed in a 0.5mol/L NH_3 solution for different periods. Finally, the resulted products were calcinated at high temperature to complete the substitution of O by N. The prepared N-doped nanotubes had an anatase structure and a large specific surface area. For those N-doped TiO_2 nanotubes, a significant shift of the absorption edge to a lower energy region and a notable decomposition of methyl orange in an aqueous solution under visible light irradiation were observed. The most visible light active catalysts were those immersed in a 0.5mol/L NH_3 solution for 10h and then calcinated at 400℃ for 1h.
- 社団法人日本セラミックス協会の論文
- 2007-01-01
著者
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Yingliang Liu
Department Of Chemistry Jinan University
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LANGHUAN Huang
Department of Chemistry, Jinan University
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ZHONGXIN Sun
Department of Chemistry, Jinan University
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Zhongxin Sun
Department Of Chemistry Jinan University
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Langhuan Huang
Department Of Chemistry Jinan University