期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 250, 期 -, 页码 19-28出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2013.01.069
关键词
Heterogeneous photocatalysis; Graphene; Titania; Nonionic surfactant; Solvothermal treatment; POPs
资金
- National Natural Science Foundation of China [21165013, 51208248]
- Natural Science Foundation of Jiangxi Province, China [2010GZH0112]
- Youth Science Foundation of Jiangxi Province, China [20114BAB213015]
- Youth Science Foundation of Jiangxi Provincial Department of Education, China [GJJ12456]
- Scientific and Technological Project of Jiangxi Province, China [2010BSB03100]
- Scientific Research Starting Foundation for Teachers with Ph.D. of the Nanchang Hangkong University, China [EA201002219, EA201202043]
A series of graphene/TiO2 composites were fabricated using a single-step nonionic surfactant strategy combined with the solvothermal treatment technique. Their phase structure, morphology, porosity, optical absorption property, as well as composition and structure, were characterized. The as-prepared composites were successfully applied to degrade aqueous persistent organic pollutants (POPs) such as rhodamine B, aldicarb, and norfloxacin in simulated sunlight (lambda > 320 nm) and visible light (lambda > 400 nm) irradiation. The degradation mechanism and kinetics of aqueous POPs were studied in detail. The mineralization of aqueous POPs and the recyclability of the composites were also tested in the same condition. (C) 2013 Elsevier B.V. All rights reserved.
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