Journal of Industrial and Engineering Chemistry

  • Volume 22
  • /
  • Pages.264-271
  • /
  • 2015
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  • 1226-086X(pISSN)
  • /
  • 1876-794X(eISSN)
The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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A green and direct synthesis of photosensitized CoS2-graphene/TiO2 hybrid with high photocatalytic performance

  • Zhu, Lei (Department of Advanced Materials Science & Engineering, Hanseo University) ;
  • Jo, Sun-Bok (Department of Advanced Materials Science & Engineering, Hanseo University) ;
  • Ye, Shu (Department of Advanced Materials Science & Engineering, Hanseo University) ;
  • Ullah, Kefayat (Department of Advanced Materials Science & Engineering, Hanseo University) ;
  • Meng, Ze-Da (Jiangsu Key Laboratory of Environmental Functional Materials, College of Chemistry and Bioengineering, Suzhou University of Science and Technology) ;
  • Oh, Won-Chun (Department of Advanced Materials Science & Engineering, Hanseo University)
  • Received : 2013.09.01
  • Accepted : 2014.07.13
  • Published : 2015.03.25
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Abstract

$CoS_2$, $CoS_2$-raphene and $CoS_2$-raphene/$TiO_2$ composite was synthesized by a facile sonochemical and hydrothermal method. X-ray diffraction, scanning electron microscopy with energy-dispersive X-ray analysis, transmission electron microscopy, FT-IR, UV-is and BET surface area was calculated by nitrogen adsorption were used. The FT-IR results illuminated that $CoS_2$ and $TiO_2$ band transfers electrons to graphene with functional groups attached. UV-is patterns indicated that $CoS_2$-raphene/$TiO_2$ have good photoinduction effects in visible light region. The photocatalytic activity of sample was evaluated by measuring the degradation of organic pollutants such as methylene blue (MB), and industrial dyes such as Texbrite BA-L (TBA) under visible light.

Keywords

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