期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 433, 期 -, 页码 9-15出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2014.07.015
关键词
g-C3N4; In2S3 nanoparticle; Heterojunction; Photocatalysis
资金
- Natural Science Foundation of Jiangsu Province [BK20140530]
- Jiangsu Planned Projects for Postdoctoral Research Funds [1202040C]
- College Natural Science Research Program of Jiangsu Province [13KJB610003]
- Zhenjiang Industry Supporting Plan [GY2013023]
- Zhenjiang Social Developing Plan [SH2013002]
- Research Foundation for Talented Scholars of Jiangsu University [11JDG149, 10JDG133]
Graphitic carbon nitride (g-C3N4) was hybridized by In2S3 to form a novel In2S3/g-C3N4 heterojunction photocatalyst via a hydrothermal method. TEM and HRTEM results reveal that In2S3 nanoparticles and g-C3N4 closely contact with each other to form an intimate interface. The as-obtained In2S3/g-C3N4 heterojunctions exhibit higher photocatalytic activity than those of pure g-C3N4 and In2S3 for the photodegradation of rhodamine B (RhB) under visible light irradiation. The enhanced photocatalytic performance of In2S3/g-C3N4 heterojunctions could be attributed to its wide absorption in the visible region and efficient electron-hole separation. On the basis of radical scavenger experiments, superoxide radicals and holes are suggested to play a critical role in RhB degradation over In2S3/g-C3N4 heterojunctions. (C) 2014 Elsevier Inc. All rights reserved.
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