Journal
CATALYSIS COMMUNICATIONS
Volume 11, Issue 7, Pages 647-650Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2010.01.014
Keywords
Cage-like Bi2MoO6; Photocatalysis; Phenol; Redox potential
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Funding
- National Natural Science Foundation of China [50672117, 50732004]
- National Basic Research Program of China [2007CB613305, 2010CB933503]
- Nanotechnology Programs of Science and Technology Commission of Shanghai [0852nm00500, 0952nm00400]
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Cage-like Bi2MoO6 hollow spheres (C-BMO) were first prepared by a hard-template method. The C-BMO possessed the size of 1.3-1.6 mu m and the band-gap of 2.56 eV. The C-BMO exhibited much higher efficiency than the Bi2MoO6 synthesized by solid state reaction in the degradation of phenol under visible-light irradiation due to its larger specific surface area. The mechanisms for the degradation of phenol over the C-BMO were investigated, which revealed the predominant role of both the (OH)-O-center dot radicals in the degradation of phenol and the photoinduced electrons in the derivation of (OH)-O-center dot radicals. (C) 2010 Elsevier B.V. All rights reserved.
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