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Effects of N and F doping on structure and photocatalytic properties of anatase TiO nanoparticles

RSC Advances, ISSN: 2046-2069, Vol: 3, Issue: 37, Page: 16657-16664
2013
  • 49
    Citations
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    Usage
  • 33
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Metrics Details

  • Citations
    49
    • Citation Indexes
      49
  • Captures
    33

Article Description

A facile solvothermal method has been developed for preparing anatase TiO nanoparticles doped with nitrogen (N) or co-doped with N and fluorine (F). The effects of N and F doping or co-doping on the structural and photocatalytic properties of anatase TiO nanoparticles were investigated. X-ray diffraction, transmission electron microscopy (TEM), high-resolution TEM, X-ray photoelectron spectroscopy, and Raman spectroscopy were used to characterize the synthesized nanoparticles, confirming the successful synthesis of anatase TiO. The crystal cell parameters and crystal size decreased with the doping of N or co-doping of N and F. Photocatalytic degradation of methyl orange under both UV and visible light irradiation revealed that the photocatalytic activity of anatase TiO was greatly improved by N doping or N and F co-doping. The effect of TiO bandgap narrowing and the synergistic effect between co-dopants N and F on photocatalytic performance of TiO were also discussed. The N-F-co-doped TiO is thus a promising material for photocatalytic applications. © The Royal Society of Chemistry 2013.

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