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Synthesis and photocatalytic behaviors of Cr2O3–CNT/TiO2 composite materials under visible light

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Abstract

Cr2O3–CNT/TiO2 composites derived from chromium acetylacetonate, multi-walled carbon nanotubes (MWCNT) and titanium n-butoxide (TNB) were prepared, and the photocatalytic activity of the Cr2O3–CNT and CNT/TiO2 composites was examined. The Cr2O3–CNT/TiO2 composites were characterized by BET surface area measurement, X-ray diffraction, transmission electron microscopy, and energy dispersive X-ray analysis. The photocatalytic activity was determined from the decomposition of methylene blue (MB) under visible light irradiation. Methylene blue was photodegraded successfully in the presence of the Cr2O3–CNT/TiO2 composite under visible light irradiation.

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Authors and Affiliations

  1. Department of Advanced Materials and Science Engineering, Hanseo University, Seosan-si, Chungnam-do, 356-706, Korea

    Ming Liang Chen & Won Chun Oh

  2. Korea Institute of Ceramic Engineering and Technology, Seoul, 153-801, Korea

    Kwang Youn Cho

Authors
  1. Ming Liang Chen
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  2. Kwang Youn Cho
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  3. Won Chun Oh
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Correspondence to Won Chun Oh.

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Chen, M.L., Cho, K.Y. & Oh, W.C. Synthesis and photocatalytic behaviors of Cr2O3–CNT/TiO2 composite materials under visible light. J Mater Sci 45, 6611–6616 (2010). https://doi.org/10.1007/s10853-010-4751-6

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  • DOI: https://doi.org/10.1007/s10853-010-4751-6

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