In-situ Polymerization of Thiophene Derivatives Using a Gas-phase Oxidant to Form a Hole-transporting Layer in Dye-sensitized Solar Cell

Yoshito Sasada; Fumiaki Kato; Kenichi Oyaizu; Hiroyuki Nishide

doi:10.2494/photopolymer.27.347

Yoshito Sasada, Fumiaki Kato, Kenichi Oyaizu, Hiroyuki Nishide

著者情報

キーワード: conducting polymer, in-situ polymerization, polythiophene, dye-sensitized solar cell

ジャーナルフリー

2014 年 27 巻 3 号 p. 347-350

DOI https://doi.org/10.2494/photopolymer.27.347

詳細

抄録

Poly(3,4-ethylenedioxythiophene) (PEDOT), for use as a hole-transporting layer in dye-sensitized solar cells (DSSCs), was synthesized via in-situ polymerization using a gas-phase oxidant. Highly volatile iodine was used as the gas-phase oxidant to fill up a porous TiO2 substrate. The conductivity of PEDOT increased to 0.9 S/cm upon the addition of a base, 4-tert-butylpyridine, to the monomer solution. A solid-state DSSC was fabricated using PEDOT as the hole-transporting layer, which displayed photo-electric conversion.

責任著者(Corresponding author)

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