Synthesis and photocatalytic performance of Bi2S3/SnS2 heterojunction

被引：9
|
作者：
Ren, LiZhen [1 ]
Zhang, DongEn [1 ]
Hao, XiaoYun [1 ]
Xiao, Xin [1 ]
Gong, JunYan [1 ]
Wang, MingYan [1 ]
Tong, ZhiWei [1 ]
机构：
[1] Huaihai Inst Technol, Dept Chem Engn, Lianyungang 222005, Peoples R China
来源：
FUNCTIONAL MATERIALS LETTERS | 2017年 / 10卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Bi2S3/SnS2; heterostructure; photocatalyst; COMPOSITE;
D O I：
10.1142/S1793604717500047
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Bi2S3/SnS2 heterostructured photocatalysts were synthesized from BiOI, SnCl4 center dot 5H(2)O and NH2CSNH2 using an economic and simple hydrothermal method. The as-synthesized samples were characterized by X-ray diffraction, scanning electron microscopy and ultraviolet-visible diffuse reflectance spectroscopy. The photodegradation activities of the Bi2S3/SnS2 heterostructured photocatalysts were estimated by degrading rhodamine B under simulated sunlight supplied by irradiating with a 350W Xe lamp. Bi2S3/SnS2 photocatalysts were prepared using varying percentages of Bi2S3. The sample containing 13% Bi2S3 had the most efficient photocatalyst performance among the tested samples. The photocatalytic mechanism involves heterojunctions formed in the Bi2S3/SnS2, which promoted effective separation of photoinduced electrons and holes.
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页数：5
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