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.

引用

页数：7

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