3-Mercaptopropionic acid assisted in-situ construction of thin Bi2S3/BiOCl composites with significantly improved photocatalytic activity

被引：5
|
作者：
Yang, Cai [1 ]
He, Yuanxiang [1 ]
Chen, Yanbai [2 ]
Zhong, Junbo [1 ,2 ]
Li, Jianzhang [1 ]
机构：
[1] Sichuan Univ Sci & Engn, Sch Chem & Environm Engn, Zigong 643000, Peoples R China
[2] Sichuan Univ Sci & Engn, Coll Chem Engn, Zigong 643000, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2022年 / 787卷
基金：
中国国家自然科学基金;
关键词：
Heterojunctions; BiOCl; Charge separation; Crystal growth; DEGRADATION; FABRICATION;
D O I：
10.1016/j.cplett.2021.139205
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：
In this presentation, Bi2S3/BiOCl nanoparticles with excellent photocatalytic capacity were in-situ construct by a hydrothermal approach using 3-mercaptopropionic (3 M) acid. 3 M acid can provide S source for Bi2S3 and modify BiOCl at the same time. In-situ construction of Bi2S3/BiOCl composites can induce BiOCl to form thin sheets, facilitating the segregation of photoactivated carriers. Under the irradiation of a 500 W Xe lamp, Bi2S3/BiOCl has better catalytic capability than BiOCl for removal of Rhodamine B (RhB) and Cr (VI). The catalytic capability of Bi2S3/BiOCl is 2.5 and 2.9 times of that of BiOCl toward abatement of RhB and Cr (VI), respectively.
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页数：7
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