A Quasi-Solid State DSSC with 10.1% Efficiency through Molecular Design of the Charge-Separation and -Transport

Michio Suzuka, Naoki Hayashi, Takashi Sekiguchi, Kouichi Sumioka, Masakazu Takata, Noriko Hayo, Hiroki Ikeda, Kenichi Oyaizu, Hiroyuki Nishide

研究成果: Article査読

47 被引用数 (Scopus)

抄録

Organic-based solar cells potentially offer a photovoltaic module with low production costs and low hazard risk of the components. We report organic dye-sensitized solar cells, fabricated with molecular designed indoline dyes in conjunction with highly reactive but robust nitroxide radical molecules as redox mediator in a quasi-solid gel form of the electrolyte. The cells achieve conversion efficiencies of 10.1% at 1 sun, and maintain the output performance even under interior lighting. The indoline dyes, customized by introducing long alkyl chains, specifically interact with the radical mediator to suppress a charge-recombination process at the dye interface. The radical mediator also facilitates the charge-transport with remarkably high electron self-exchange rate even in the quasi-solid state electrolyte to lead to a high fill factor.

本文言語English
論文番号28022
ジャーナルScientific reports
6
DOI
出版ステータスPublished - 2016 6 17

ASJC Scopus subject areas

  • General

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