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Journal of Nanoscience Letters 2013, 3: 20
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Research Article
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Microwave-assisted synthesis of TiO2-CdS composites for visible-light photocatalytic degradation of methyl orange
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Tian Lv, Likun Pan, Xinjuan Liu, Zhuo Sun
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Engineering Research Center for Nanophotonics & Advanced Instrument, Ministry of Education, Department of Physics, East China Normal University, Shanghai, China 200062
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Abstract |
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TiO2-CdS composites were successfully synthesized via microwave-assisted reaction. This method allows a facile, rapid and integration between CdS and TiO2 nanopaticles. The photocatalytic performance of TiO2-CdS composites with different proportions of CdS in degradation of methyl orange under visible light irradiation was investigated. The results show that TiO2-CdS composite with 57.5 wt.% CdS achieves a better performance with a maximum degradation rate of 99.6% as compared to the one prepared using conventional precipitation method due to the increased light absorption and the reduction of carrier recombination.
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Keywords |
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TiO2-CdS composites; Microwave-assisted reaction; Photocatalysis
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