Electrochemical properties of dye-sensitized solar cells fabricated with PVDF-type polymeric solid electrolytes

Yoshinori Nishikitani*, Masaki Minami, Tsuyoshi Asano, Takaya Kubo

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


We report on PVDF-based polymeric solid electrolytes (PSE) for dye-sensitized solar cells (DSCs). The dependence of the short-circuit current density (Jsc) on the diffusion coefficient was discussed on the basis of the equivalent circuit analysis of photocurrent in DSC. When the back electron transfer from TiO2 to an oxidized dye was taken into account, the diffusion coefficient dependence of Jsc was well explained. We confirmed that the Jsc of a PSE-based DSC with a 20 μm cell gap amounts to about 97% of that of a liquid-based DSC. We then focused on the cross-linking reaction of PVDF-HFP with amines. This cross-linking reaction allows us to carry out the otherwise inhibited in-situ reaction of the precursor inside a cell. We also studied DSCs fabricated with the cross-linked PVDF-HFP-based PSE. The energy conversion efficiency of the DSC was 4.8% with AM-1.5 illumination.

Original languageEnglish
Pages (from-to)54-61
Number of pages8
JournalKobunshi Ronbunshu
Issue number1
Publication statusPublished - 2006 Jan
Externally publishedYes


  • Cross-linking
  • Dye-sensitized solar cell
  • Gel
  • Polymeric solid electrolyte
  • PVDF

ASJC Scopus subject areas

  • Polymers and Plastics
  • Environmental Science(all)
  • Materials Science (miscellaneous)
  • Chemical Engineering (miscellaneous)
  • Ceramics and Composites


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