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Immobilization of highly active titanium(IV) oxide particles A novel strategy of preparation of transparent photocatalytic coatings

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タイトル: Immobilization of highly active titanium(IV) oxide particles A novel strategy of preparation of transparent photocatalytic coatings
著者: Kominami, Hiroshi 著作を一覧する
Kumamoto, Hisayuki 著作を一覧する
Kera, Yoshiya 著作を一覧する
Ohtani, Bunsho 著作を一覧する
キーワード: Titanium oxide
Photocatalyst
Thin film
Photodecomposition
発行日: 2001年 3月12日
出版者: Elsevier Science B.V.
誌名: Applied Catalysis B Environmental
巻: 30
号: 3-4
開始ページ: 329
終了ページ: 335
出版社 DOI: 10.1016/S0926-3373(00)00245-9
抄録: Titanium(IV) oxide (TiO2) powders synthesized by HyCOM (hydrothermal crystallization in organic media) method, which had been proved to exhibit ultra-high photocatalytic activity in several reaction systems, were used as starting material for fabrication of transparent TiO2 thin films. HyCOM-TiO2 powders were dispersed in aqueous sol of nitric acid to yield a TiO2 sol stable for more than 90 days. Transparent TiO2 thin films were successfully produced by dip-coating from the TiO2 sol and used for photocatalytic decomposition of malachite green (MG) in an aqueous sol under aerated conditions. These films exhibited much higher rate of MG decomposition compared with those prepared from a commercially available TiO2 sol developed for photocatalytic use (Ishihara STS-01), indicating that the excellent photocatalytic activity of original HyCOM-TiO2 particles was preserved after immobilization on glass substrates by the present method.
Relation (URI): http://www.sciencedirect.com/science/journal/09263373
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/17130
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 大谷 文章

 

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