Journal
SEPARATION AND PURIFICATION TECHNOLOGY
Volume 109, Issue -, Pages 107-110Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.seppur.2013.01.057
Keywords
Ag; AgVO3; Photocatalyst; Hydroxyl radicals
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Funding
- National Natural Science Foundation of China [21075078, 41076047]
- Shandong Provincial Natural Science Foundation, China [ZR2010BM005, ZR2010DM004]
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A novel composite nanomaterial of Ag/AgVO3 was prepared and the photocatalytic activity for the degradation of bisphenol A was investigated under visible light irradiation. Experimental results showed that Ag/AgVO3 exhibited higher photocatalytic activity than bare beta-AgVO3 under visible light irradiation. The degradation efficiency of BPA by Ag/AgVO3 could reach 100% within 150 min. The obvious enhancement of photocatalytic activity by Ag nanoparticles could be attributed to the synergetic effects between noble metal and semiconductor. Furthermore, hydroxyl radicals ((OH)-O-center dot) played a key role in the photocatalytic reaction and a possible mechanism of the synergistic system was proposed. (C) 2013 Elsevier B.V. All rights reserved.
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