Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 172, Issue 2-3, Pages 1193-1197Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2009.07.123
Keywords
Carbon; Coating; Bi2WO6; Fe3O4; Photocatalysis
Categories
Funding
- National Natural Science Foundation of China [50672117, 50732004]
- National Basic Research Program of China [2007CB613305]
- Nanotechnology Programs of Science and Technology Commission of Shanghai Municipality [0852nm00500]
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A novel Bi2WO6@carbon/Fe3O4 nanostructure with a thin carbon interlayer was reported. Reactive carbon interlayer was introduced as a key component for the growth of Bi2WO6 nanoplates on the magnetic Fe3O4 microsphere. After the carbon layer was oxidized by the KMnO4 in the basic solution, Bi3+ ions could be adsorbed by the as produced -COO- groups and thus Bi2WO6 nanoplates grew on the surface of the carbon/Fe3O4 microspheres preferentially. The as-prepared nanocomposite, which could be easily recovered by a magnet, exhibited high efficiency in the photocatalytic decomposition of phenol with the assistance of H2O2. The combination of photocatalyst and magnetic materials through a reactive carbon interlayer opens up a new route for the fabrication of complex and multifunctional nanostructure. (C) 2009 Elsevier B.V. All rights reserved.
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