Journal
CARBON
Volume 50, Issue 14, Pages 5256-5264Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2012.06.063
Keywords
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Funding
- National Key Basic Research Development Program (973 project) of China [2010CB429006]
- Key program of National Natural Science Foundation of China [50830304]
- National Natural Science Foundation of China [51108158]
- Key program of Natural Science Foundation of Jiangsu Province [BK2010076]
- Fundamental Research Funds for The Central Universities [2012B06314]
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Graphene-Bi2MoO6 (G-Bi2MoO6) hybrid photocatalysts were prepared by a simple one-step process in which the reduction of graphene oxide (GO) and the growth of Bi2MoO6 crystals occurred simultaneously. The material was characterized by X-ray diffraction, scanning electron microscopy, nitrogen adsorption-desorption isotherms, X-ray photoelectron spectroscopy, UV-vis diffuse reflectance spectroscopy and Raman spectroscopy. The photocatalytic activity was investigated by the degradation of reactive brilliant red dye X-3B. An increase in photocatalytic activity was observed for G-Bi2MoO6 hybrids compared with pure Bi2MoO6 under visible light. This improvement was attributed to the following two reasons: increased migration efficiency of photo-induced electrons and increased adsorption activity for dye molecules. A study of the effect of the amount of graphene on the photocatalytic activity showed that there was an optimum amount of 2.5% (initial GO weight). (C) 2012 Elsevier Ltd. All rights reserved.
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