Fabrication of hollow N-doped TiO2 photocatalyst by sprayinduced hydrolysis

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概要

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• Hollow particles of nitrogen doped TiO2 were fabricated by a newly developed method based on the spray-induced hydrolysis. An aqueous solution of urea was sprayed into a titanium tetraisopropoxide (TTIP) / hexane solution, inducing the rapid hydrolysis of TTIP at the interface between the droplets of urea solution and TTIP solution. The resultant hollow particles were converted to N-doped TiO2 with anatase crystal structure by heat treatment. The absorption ability of visible light was remarkably improved by nitrogen doping. The hollow N-doped TiO2 particles showed higher photocatalytic activity estimated by the decomposition of methylene blue (MB) compared to undoped TiO2 particles.

• 公益社団法人 日本セラミックス協会の論文

著者

• IWAMOTO Hiroyuki

  Department of Food Science and Technology, Faculty of Engineering, Fukuyama University

• Ohshima Masahiro

  Department Of Chemical Engineering Kyoto University

• Konishi Yasuhiro

  Department Of Chemical Engineering Osaka Prefecture University

• Nagamine Shinsuke

  Department Of Chemical Engineering Faculty Of Engineering Kyoto University

• TOHYAMA Satoshi

  Department of Chemical Engineering, Kyoto University, Katsura Campus

• TSUKUI Shigeki

  Department of Chemical Engineering, Osaka Prefecture University

• Iwamoto Hiroyuki

  Department Of Applied Biological Science Faculty Of Life Science And Biotechnology Fukuyama Universi

• Ohshima Masahiro

  Department Of Chemical Engineering Graduate School Of Engineering Kyoto University

• IWAMOTO Hiroyuki

  Department of Chemical Engineering, Osaka Prefecture University

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