Increasing the Visible Light Absorption of Graphitic Carbon Nitride (Melon) Photocatalysts by Homogeneous Self-Modification with Nitrogen Vacancies

被引:717
作者
Niu, Ping [1 ]
Yin, Li-Chang [1 ]
Yang, Yong-Qiang [1 ,2 ]
Liu, Gang [1 ]
Cheng, Hui-Ming [1 ,3 ]
机构
[1] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
[2] Univ Sci & Technol China, Sch Chem & Mat Sci, Dept Mat Sci & Technol, Hefei 230026, Peoples R China
[3] King Abdulaziz Univ, Dept Chem, Fac Sci, Jeddah 21589, Saudi Arabia
关键词
HYDROGEN EVOLUTION; TIO2-BASED PHOTOCATALYSTS; AQUEOUS SUSPENSIONS; TIO2; PHOTOCATALYST; WATER; SEMICONDUCTORS; CATALYSTS; FILMS; PHOTOREACTIVITY; PHOTOSYNTHESIS;
D O I
10.1002/adma.201404057
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A novel reduced melon photocatalyst with a bandgap of 2.03 eV developed here has a widened visible light absorption range and suppressed radiative recombination of photo-excited charge carriers due to the homogeneous self-modification with nitrogen vacancies. As a consequence, the reduced melon shows a much superior photocatalytic activity compared to the pristine melon in generating center dot OH radicals and degrading the organic pollutant Rhodamine B.
引用
收藏
页码:8046 / 8052
页数:7
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