Increasing visible-light absorption for photocatalysis with black BiOCl

被引：392
|
作者：
Ye, Liqun [1 ]
Deng, Kejian [2 ,3 ]
Xu, Feng [4 ]
Tian, Lihong [1 ]
Peng, Tianyou [1 ]
Zan, Ling [1 ]
机构：
[1] Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China
[2] S Cent Univ Nationalities, Key Lab Catalysis & Mat Sci, State Ethn Affairs Commiss, Wuhan 430074, Peoples R China
[3] S Cent Univ Nationalities, Minist Educ, Wuhan 430074, Peoples R China
[4] Lanzhou Univ, Key Lab Magnetism & Magnet Mat, MOE, Lanzhou 730000, Peoples R China
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2012年 / 14卷 / 01期
关键词：
TIO2; PHOTOCATALYST; OXYGEN VACANCY; DEGRADATION; SURFACE; ZNO; BR; CL; ENHANCEMENT; ENERGY;
D O I：
10.1039/c1cp22876e
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：
Black BiOCl with oxygen vacancies was prepared by UV light irradiation with Ar blowing. The as-prepared black BiOCl sample showed 20 times higher visible light photocatalytic activity than white BiOCl for RhB degradation. The trapping experiment showed that the superoxide radical (O-2(center dot-)) and holes (h(+)) were the main active species in aqueous solution under visible light irradiation.
引用
收藏
页码：82 / 85
页数：4
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