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  Journal of Nanoscience Letters 2013, 3: 20
  Research Article
 
Microwave-assisted synthesis of TiO2-CdS composites for visible-light photocatalytic degradation of methyl orange
  Tian Lv, Likun Pan, Xinjuan Liu, Zhuo Sun  
     
Engineering Research Center for Nanophotonics & Advanced Instrument, Ministry of Education, Department of Physics, East China Normal University, Shanghai, China 200062
   
  Abstract  
  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.
     
  Keywords  
  TiO2-CdS composites; Microwave-assisted reaction; Photocatalysis  
     
   
   
   
   
     

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