New approach for preparation of efficient solid-state dye-sensitized solar cells by photoelectrochemical polymerization in aqueous micellar solution

Lei Yang, Jinbao Zhang, Yang Shen, Byung-Wook Park, Dongqin Bi, Leif Häggman, Erik M J Johansson, Gerrit Boschloo, Anders Hagfeldt, Nick Vlachopoulos, Alan Snedden, Lars Kloo, Adel Jarboui, Amani Chams, Christian Perruchot, Mohamed Jouini

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22 Citations (Scopus)

Abstract

Hereby, we present a new, cost-effective, and environmentally friendly method of preparing an efficient solid-state dye-sensitized solar cell (sDSC) using a PEDOT conducting polymer as the hole conductor and a recently developed organic sensitizer. PEDOT is generated and deposited on the dye-sensitized TiO2 electrode by in situ photoelectropolymerization of bis-EDOT in aqueous micellar solution. The advantages of this approach are the use of water as the solvent and the obtainment of a sDSC simply by adding a silver layer on the as-obtained polymer film deposited on dye/TiO2 without the need for electrolytic solution. The sDSC containing the film prepared as above is compared to those where the organic dye is used to generate the same polymer film but in organic solvent. The energy conversion efficiency values of the two cells appear comparable, 4.8% for sDSC prepared in the aqueous-phase polymerized PEDOT and 6% for the sDSC prepared with in organic-phase polymerized PEDOT.

Original languageEnglish
Pages (from-to)4026-4031
Number of pages6
JournalJournal of Physical Chemistry Letters
Volume4
Issue number23
DOIs
Publication statusPublished - 5 Dec 2013
Externally publishedYes

Keywords

  • aqueous micellar electrochemical polymerization
  • dye sensitization
  • hole conductor
  • PEDOT
  • photoelectrochemical polymerization
  • solid-state solar cell
  • TiO

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