Mechanochemical synthesis of a visible-light active photocatalyst

Qiwu Zhang; Jim Wang; Shu Yin; Tsugio Sato; Fumio Saito

Mechanochemical synthesis of a visible-light active photocatalyst

Qiwu Zhang, Jim Wang, Shu Yin, Tsugio Sato, Fumio Saito

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

When titania (TiO₂) is doped with a nommetallic element such as sulphur and nitrogen, it exhibits visible-light photocatalytic reactivity. However, it is not always easy to carry out the doping operation. The authors have developed a new method for doping the nonmetallic element into a TiO ₂ sample by its grinding with sulphur/nitrogen-containing materials, followed by calcination at low temperature. This is called mechnaochemical doping, which allows the TiO₂ sample to possess two absorption edges around 400 and 540 nm in visible light of wavelength. Under irradiation of the visible light of wavelength over 510 nm, it has been confirmed that the sample of TiO₂ doped with sulphur/nitrogen has shown excellent photocatalytic ability for nitrogen monoxide destruction.

Original language	English
Title of host publication	REWAS'04 - Global Symposium on Recycling, Waste Treatment and Clean Technology - Proceedings
Editors	I. Gaballah, B. Mishra, R. Solozabal, M. Tanaka
Pages	793-800
Number of pages	8
Publication status	Published - 2005 Dec 1
Event	REWAS'04 - Global Symposium on Recycling, Waste Treatment and Clean Technology - Madrid, Spain Duration: 2004 Sep 26 → 2004 Sep 29

Other

Other	REWAS'04 - Global Symposium on Recycling, Waste Treatment and Clean Technology
Country	Spain
City	Madrid
Period	04/9/26 → 04/9/29

ASJC Scopus subject areas

Engineering(all)

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Cite this

Mechanochemical synthesis of a visible-light active photocatalyst. / Zhang, Qiwu; Wang, Jim; Yin, Shu; Sato, Tsugio; Saito, Fumio.

REWAS'04 - Global Symposium on Recycling, Waste Treatment and Clean Technology - Proceedings. ed. / I. Gaballah; B. Mishra; R. Solozabal; M. Tanaka. 2005. p. 793-800.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Zhang, Q, Wang, J, Yin, S, Sato, T & Saito, F 2005, Mechanochemical synthesis of a visible-light active photocatalyst. in I Gaballah, B Mishra, R Solozabal & M Tanaka (eds), REWAS'04 - Global Symposium on Recycling, Waste Treatment and Clean Technology - Proceedings. pp. 793-800, REWAS'04 - Global Symposium on Recycling, Waste Treatment and Clean Technology, Madrid, Spain, 04/9/26.

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abstract = "When titania (TiO2) is doped with a nommetallic element such as sulphur and nitrogen, it exhibits visible-light photocatalytic reactivity. However, it is not always easy to carry out the doping operation. The authors have developed a new method for doping the nonmetallic element into a TiO 2 sample by its grinding with sulphur/nitrogen-containing materials, followed by calcination at low temperature. This is called mechnaochemical doping, which allows the TiO2 sample to possess two absorption edges around 400 and 540 nm in visible light of wavelength. Under irradiation of the visible light of wavelength over 510 nm, it has been confirmed that the sample of TiO2 doped with sulphur/nitrogen has shown excellent photocatalytic ability for nitrogen monoxide destruction.",

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AB - When titania (TiO2) is doped with a nommetallic element such as sulphur and nitrogen, it exhibits visible-light photocatalytic reactivity. However, it is not always easy to carry out the doping operation. The authors have developed a new method for doping the nonmetallic element into a TiO 2 sample by its grinding with sulphur/nitrogen-containing materials, followed by calcination at low temperature. This is called mechnaochemical doping, which allows the TiO2 sample to possess two absorption edges around 400 and 540 nm in visible light of wavelength. Under irradiation of the visible light of wavelength over 510 nm, it has been confirmed that the sample of TiO2 doped with sulphur/nitrogen has shown excellent photocatalytic ability for nitrogen monoxide destruction.

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