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Citation: HE Feng-Long, WANG Ping, HUANG Yan-Min. Porous TiO2 Film with Scaffold Structure for Enhanced Photovoltaic Performance of Dye-Sensitized Solar Cells[J]. Chinese Journal of Inorganic Chemistry, ;2015, (11): 2174-2180. doi: 10.11862/CJIC.2015.298 shu

Porous TiO2 Film with Scaffold Structure for Enhanced Photovoltaic Performance of Dye-Sensitized Solar Cells

  • 1.

    School of Chemistry, Chemical Engineering & Life Sciences, Wuhan University of Technology, Wuhan 430070, China

  • Corresponding author: WANG Ping, 
  • Received Date: 21 April 2015
    Available Online: 10 September 2015

    Fund Project: 国家自然科学基金(No.61274129)资助项目。 (No.61274129)

  • The porous TiO2 film photoanodes were prepared based on TiO2 hollow spheres as the main substrate and TiO2 nanosheets as the scaffold in dye sensitized solar cell by doctor blade method. The results indicated that the highest photoelectric conversion efficiency reached 4.53% when the amount of TiO2 nanosheets as scaffold was 20wt% in film, which was higher than that of nonporous TiO2 film (4.06%) and that of no scaffold TiO2 film (4.17%). Furthermore, the photoelectric conversion efficiency improved to 7.06% when the thickness of the porous TiO2 film with 20wt% nanosheets was controlled 33 μm. The enhanced photoelectric conversion efficiency can be attributed the cooperation effect of the effective electron transmission and the large adsorption amount of dye molecules in scaffold structure. This research designed scaffold structure provides a new idea for the preparation of porous TiO2 film to enhance performance of dye sensitized solar cell.
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