Photocatalytic performance of a visible light TiO2 photocatalyst prepared by a surface chemical modification process

被引：144
|
作者：
Chen, Feng [1 ]
Zou, Weiwei
Qu, Wenwu
Zhang, Jinlong
机构：
[1] E China Univ Sci & Technol, Adv Mat Lab, Shanghai 200237, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2009年 / 10卷 / 11期
关键词：
Photocatalysis; TiO2; Surface chemical modification; Visible light; Toluene 2,4-diisocyanate; INTERFACIAL ELECTRON-TRANSFER; PHOTOASSISTED DEGRADATION; DYE POLLUTANTS; NANOPARTICLES; INJECTION; MECHANISM; NITROGEN; IRRADIATION; DYNAMICS; RECOMBINATION;
D O I：
10.1016/j.catcom.2009.04.005
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A visible light TiO2 photocatalyst was prepared by a surface chemical modification process with toluene 2,4-diisocyanate (TDI). Because of the LMCT excition of the surface complex, the as-prepared TiO2-TDI has an obvious absorption in visible region. TiO2-TDI photocatalyst presented a satisfactory photostability and a high photocatalytic performance for the degradation of organics. The turnover number of the photocatalyst for 2,4-dichlorophenol photodegradation reached 15.43 after five times recycled under visible light irradiation. (C) 2009 Elsevier B. V. All rights reserved.
引用
收藏
页码：1510 / 1513
页数：4
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