Promotion of photocatalytic activity of titania by the combination with nitrogen-doped titania

Bin Liu; Shu Yin; Ruixing Li; Yuhua Wang; Tsugio Sato

doi:10.2109/jcersj2.115.692

Promotion of photocatalytic activity of titania by the combination with nitrogen-doped titania

Bin Liu, Shu Yin, Ruixing Li, Yuhua Wang, Tsugio Sato

Center for Exploration of New Inorganic Materials

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Titania/nitrogen-doped titania (TiO₂/TiO_2-xN _y) composite was prepared by mechanical milling in liquid medium and the phase composition, specific surface area, photo chemical properties, and photocatalytic activities were characterized. TiO₂/TiO _2-xN_y composites showed excellent photocatalytic ability for the oxidative destruction of nitrogen monoxide and acetaldehyde. It is suggested that the doped nitrogen in TiO_2-xN_y acts as the acceptor of photoinduced holes on TiO₂/TiO₂ to depress the recombination of the electron-hole and improve the photocatalytic activity.

Original language	English
Pages (from-to)	692-696
Number of pages	5
Journal	Journal of the Ceramic Society of Japan
Volume	115
Issue number	1347
DOIs	https://doi.org/10.2109/jcersj2.115.692
Publication status	Published - 2007 Nov

Keywords

Acetaldehyde degradations
DeNO ability
Photocatalyst
Singlet oxygen
Visible-light induced

ASJC Scopus subject areas

Ceramics and Composites
Chemistry(all)
Condensed Matter Physics
Materials Chemistry

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abstract = "Titania/nitrogen-doped titania (TiO2/TiO2-xN y) composite was prepared by mechanical milling in liquid medium and the phase composition, specific surface area, photo chemical properties, and photocatalytic activities were characterized. TiO2/TiO 2-xNy composites showed excellent photocatalytic ability for the oxidative destruction of nitrogen monoxide and acetaldehyde. It is suggested that the doped nitrogen in TiO2-xNy acts as the acceptor of photoinduced holes on TiO2/TiO2 to depress the recombination of the electron-hole and improve the photocatalytic activity.",

keywords = "Acetaldehyde degradations, DeNO ability, Photocatalyst, Singlet oxygen, Visible-light induced",

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AU - Liu, Bin

AU - Yin, Shu

AU - Li, Ruixing

AU - Wang, Yuhua

AU - Sato, Tsugio

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AB - Titania/nitrogen-doped titania (TiO2/TiO2-xN y) composite was prepared by mechanical milling in liquid medium and the phase composition, specific surface area, photo chemical properties, and photocatalytic activities were characterized. TiO2/TiO 2-xNy composites showed excellent photocatalytic ability for the oxidative destruction of nitrogen monoxide and acetaldehyde. It is suggested that the doped nitrogen in TiO2-xNy acts as the acceptor of photoinduced holes on TiO2/TiO2 to depress the recombination of the electron-hole and improve the photocatalytic activity.

KW - Acetaldehyde degradations

KW - DeNO ability

KW - Photocatalyst

KW - Singlet oxygen

KW - Visible-light induced

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