期刊
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
卷 5, 期 1, 页码 987-994出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jece.2017.01.029
关键词
BiOCl; (BiO)(2)CO3; Urea adjusting; Facets engineering; Photocatalysis
资金
- National Natural Science Foundation of China [51372117]
- Key Projects of International Cooperation and Innovation for Ministry of Science and Technology of China [2016YFE0111800]
BiOCl and (BiO)(2)CO3 nanosheets with predominantly exposed {001} facets (respectively denoted as BiOCl-001 and (BiO)(2)CO3-001) were easily synthesized at room temperature in aqueous urea solution. Urea could not only prohibit the hydrolysis of Bi(NO3)(3)center dot 5H(2)O, but also inhibit the growth of (001) plane, leading to the formation of BiOCl and (BiO)(2)CO3 nanosheets with dominant {001} facets. As compared to BiOCl and (BiO)(2)CO3 thick sheets without preferentially exposed facets, both BiOCl-001 and (BiO)(2)CO3-001 exhibit universally enhanced photocatalytic performance toward decomposition of multiple contaminants including dye model rhodamine (RhB), methylene blue (MB) and crystal violet (CV) under visible light (lambda >= 420 nm) irradiation, and phenol and salicylic acid (SA) under simulated sunlight. The asprepared BiOCl-001 and (BiO)(2)CO3-001 also possess high photochemical stability and therefore may become potential photocatalysts for practical application in environmental remedies. (C) 2017 Elsevier Ltd. All rights reserved.
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