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Carbon/TiO2 Prepared form Anatase to Pich and Their Photocatalytic Perforamnce

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2007, 8(1), pp.6-11
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General

Ming-Liang Chem 1 KO YOUNG SHIN 1 Oh Won Chun ORD ID 1

1한서대학교

Candidate

ABSTRACT

Carbon/TiO2 composites were prepared by Cl4 solvent mixing method with different mixing ratios. Since the carbon layersderived from pitch on the TiO2 particles were porous, the carbon/TiO2 composite series showed a god adsorptivity and photodecomposition activity. The BET surface area for the carbon layer in the sample increases to increasing with pitch contents.The SEM results present to the characterization of porous texture on the carbon/TiO2 composite and pitch distributions on thesurfaces for all the materials used. From XRD data, a weak and broad carbon peak of graphene with pristine anatase peakswere observed in the X-ray diffraction patterns for the carbon/TiO2. The EDX spectra show the presence of C, O and S withstrong Ti peaks. Most of these samples are richer in carbon and major Ti metal than any other elements. Finally, the excellentphotocatalytic activity of carbon/TiO2 with slope relationship between relative concentration (C/C0) of MB and t could beattributed to the homogeneous coated pitch on the external surface by CCl4 solvent method.

Citation status

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