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Optimization of photoelectrode introduced to dye-sensitized solar cells by anodic oxidative hydrolysis

Xu Wei-Wei Dai Song-Yuan Fang Xia-Qin Hu Lin-Hua Kong Fan-Tai Pan Xu Wang Kong-Jia

Optimization of photoelectrode introduced to dye-sensitized solar cells by anodic oxidative hydrolysis

Xu Wei-Wei, Dai Song-Yuan, Fang Xia-Qin, Hu Lin-Hua, Kong Fan-Tai, Pan Xu, Wang Kong-Jia
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  • Received Date:  10 March 2005
  • Accepted Date:  06 July 2005
  • Published Online:  20 December 2005

Optimization of photoelectrode introduced to dye-sensitized solar cells by anodic oxidative hydrolysis

  • 1. 中国科学院等离子体物理研究所,合肥 230031

Abstract: The influence of three different modification methods on the photoelectrode introduced to dye-sensitized solar cells by anodic oxidative hydrolysis of acidic aqueous TiCl3 solutions was investigated. X-ray diffraction analysis shows that the nanocrystalline TiO2 prepared by sol-gel and electrodeposition is anatase. The average nanocrystalline size of TiO2 prepared by electrodeposition is 19nm and that by sol-gel method is 23.7nm. The surface structure of the nanoporous TiO2 films and TCO glass are observed by field-emission scanning electron microscopy before and after electrodeposition. It is found that the short-current density and the photoelectric conversion efficiency of dye-sensitized solar cells are improved a lot through these different methods.

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