화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.20, No.2, 435-443, March, 2014
DOI10.1016/j.jiec.2013.04.038  Export Citation
Fabrication of CdS and CuWO4 modified TiO2 nanoparticles and its photocatalytic activity under visible light irradiation
K. Vignesh, R. Priyanka1, R. Hariharan2, M. Rajarajan2, †, and A. Suganthi†
  • P.G. & Research Department of Chemistry, Thiagarajar College, Madurai 625009, Tamil Nadu, India
  • 1Department of Electrical and Electronics Engineering, Thiagarajar College of Engineering, Madurai 625015, Tamil Nadu, India
  • 2P.G. Department of Chemistry, C.P.A. College, Bodinayakanur, Theni 625513, Tamil Nadu, India
E-mail:,
CdS and CuWO4 modified TiO2 nanoparticles (CdS.CuWO4-TiO2) were prepared by the chemical impregnation method. The as-prepared nanoparticles were characterized using UV-visible-diffuse reflectance spectroscopy (UV-vis-DRS), powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy (EDS) and B.E.T. surface area analysis techniques. The photocatalytic activity was evaluated based on the degradation of a dye (eosin-Y) and inactivation of a bacterium (Pseudomonas aeruginosa). The results revealed that CdS-CuWO4-TiO2 showed high photocatalytic activity over CdS-TiO2, CuWO4-TiO2 and TiO2. Moreover the reusability and stability of the photocatalyst for the degradation of eosin-Y was also studied.
Keywords:Photocatalysis;Visible light;TiO2;Eosin-Y;Pseudomonas aeruginosa
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