Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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The Photodegradation Effect of Organic Dye for Metal Oxide (Cr2O3, MgO and V2O3) Treated CNT/TiO2 Composites

  • Chen, Ming-Liang (Department of Advanced Materials Science & Engineering, Hanseo University) ;
  • Bae, Jang-Soon (Department of Engineering and Chemical Technology, Dankook University) ;
  • Yoon, Hee-Seung (Department of Chemical Engineering, Chungnam National University) ;
  • Lim, Chang-Sung (Department of Advanced Materials Science & Engineering, Hanseo University) ;
  • Oh, Won-Chun (Department of Advanced Materials Science & Engineering, Hanseo University)
  • Received : 2010.11.22
  • Accepted : 2010.12.28
  • Published : 2011.03.20
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Abstract

Three kinds of organometallic compounds (chromium acetylacetonate, magnesium acetate and vanadyl acetylacetonate) were used as transition metal precursor, titanium n-butoxide and multi-walled carbon nanotube as titanium and carbon precursor to prepare metal oxide-CNT/$TiO^2$ composites. The surface properties and morphology of metal oxide-CNT/$TiO^2$ composites were by Brauer-Emett-Teller (BET) surface area measurement, scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) and energy dispersive X-ray (EDX) analysis. The photocatalytic activity of prepared metal oxide-CNT/$TiO^2$ composites was determined by the degradation effect of methylene blue in an aqueous solution under irradiation of visible light.

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