New Insight for Enhanced Photocatalytic Activity of TiO2 by Doping Carbon Nanotubes: A Case Study on Degradation of Benzene and Methyl Orange

The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online

Yi-Jun Xu; Yangbin Zhuang; Xianzhi Fu

2010

Scholarcy highlights

  • The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online
  • A carbon nanotubes/TiO2 nanocomposite photocatalyst has been prepared by a simple impregnation method, which is used, for the first time, for gas-phase degradation of benzene
  • It is found that the as-prepared CNT/TiO2 nanocomposite exhibits an enhanced photocatalytic activity for benzene degradation, as compared with that over commerical titania
  • One is to act as an electron reservoir, which helps to trap electrons emitted from TiO2 particles due to irradiation by UV light, hindering electron‚ąíhole pairs recombination
  • The other is to act as a dispersing template or support to control the morphology of TiO2 particles in the CNT/TiO2 nanocomposite, and this important role was neglected in previous studies
  • A reasonable model is proposed to expain the role of carbon nanotubes in CNT/TiO2 composites as a photocatalyst for degradation of organic pollutants

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