Journal
FUNCTIONAL MATERIALS LETTERS
Volume 10, Issue 2, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S1793604717500047
Keywords
Bi2S3/SnS2; heterostructure; photocatalyst
Categories
Funding
- National Natural Science Foundation of China [21401062]
- Natural Science Fund of Jiangsu Province [BK20141247, BK20140447]
- Scientific and Technological Program of Lianyungang [SH1503]
- Jiangsu Overseas Research & Training Program for University Prominent Young & Middle-aged Teachers and Presidents
- Public Science and Technology Research Funds Projects of Ocean [201305007]
- Graduate Student Research and Innovation Project of Huaihai Institute of Technology
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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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