Journal
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
Volume 340, Issue 1-2, Pages 77-82Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molcata.2011.03.012
Keywords
Graphene; gamma-Bi2MoO6; Hybridize; Photocatalyst; Visible light irradiation
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Funding
- National Natural Science Foundation of China [20925725]
- National Basic Research Program of China [2007CB613303]
- Fundamental Research Funds for the Central Universities [2009QN047]
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After hybridized with graphene, the photocatalytic performances of gamma-Bi2MoO6 were increased about 2-4 times. The photocatalytic activity enhancements were dependent on the amount of graphene and it was found that the optimal hybridized amount of graphene was about 1.0 wt%, which was close to the monolayer disperse of graphene on gamma-Bi2MoO6 surface. The mechanism on the enhancement of photocatalytic activity is attributed to the higher separation efficiency of photo-induced electrons and holes, which come from the electronic interaction between gamma-Bi2MoO6 and graphene. The electronic interaction was verified by the photoelectrochemical measurements. (C) 2011 Elsevier B.V. All rights reserved.
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