Journal of Nanoparticle Research

, Volume 10, Issue 2, pp 357–363 | Cite as

Efficient carbon-doped nanostructured TiO2 (anatase) film for photoelectrochemical solar cells

  • Daobao Chu
  • Ximei Yuan
  • Guoxu Qin
  • Mai Xu
  • Peng Zheng
  • Jia Lu
  • Longwu Zha
Brief Communication

Abstract

In this paper, we have demonstrated that carbon-doped nanostructured TiO2 (CD ns-TiO2) films could be prepared simply and cheaply with oxalic acid and tetrabutylammonium bromide (Bu4N·Br) as the carbon sources. The surface morphology of the films was a multiple-porous network structure.The average size of nanoparticle was about 40 nm. Carbon doped into substitutional sites of TiO2 has also proven to be indispensable for band-gap narrowing and photovoltaic effect. Carbon doping lowered the band gap of n-TiO2 to 1.98, 1.64, and 1.26 eV. The CD ns-TiO2 film was first used as photoanode for solar cells, exhibiting high photocurrent densities (l.34 mA/cm2) and yielding an overall conversion efficiency (η) of 4.42 %.

Keywords

Carbon-doped Titanium dioxide Solar cells Photovoltaic effect Sol–gel process Nanocomposites Energy conversion 

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Copyright information

© Springer Science+Business Media B.V. 2007

Authors and Affiliations

  • Daobao Chu
    • 1
    • 2
  • Ximei Yuan
    • 1
  • Guoxu Qin
    • 1
  • Mai Xu
    • 1
  • Peng Zheng
    • 1
  • Jia Lu
    • 1
  • Longwu Zha
    • 1
  1. 1.College of Chemistry and Materials ScienceAnhui Normal UniversityWuhuP.R. China
  2. 2.Anhui Key Laboratory of Functional Molecular SolidsWuhuP.R. China

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