Journal
CATALYSIS COMMUNICATIONS
Volume 90, Issue -, Pages 51-55Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2016.11.018
Keywords
CeO2; BiOBr; p-n junction; Visible light; Photocatalysis
Categories
Funding
- National Natural Science Foundation of China [51541801, 51521006]
- Natural Science Foundation of Hunan Province [14JJ2045]
- Scientific Research Fund of Hunan Provincial Education Department [13k017]
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CeO2 microplates were synthesized by a sol-gel auto-combustion method. BiOBr nanosheets were then deposited onto the surface of CeO2 via a facile deposition-precipitation method with the assistance of ethylene glycol. The as-prepared BiOBr/CeO2 samples were characterized by various analytical techniques. The BC-2(Ce/Bi molar ratios is 2) sample exhibited the highest photocatalytic activity. The RhB was degraded (973%) under visible light irradiation within 20 min. Furthermore, the BC-2 also exhibited superior degradation activity towards methyl blue (MB) and phenol. The enhanced photocatalytic performance could be ascribed to the enhanced light absorption and the improved separation of photogenerated charge carriers through forming a p-n heterojunction. (C) 2016 Elsevier B.V. All rights reserved.
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