Polyviologen as the charge-storage electrode of an aqueous electrolyte- and organic-based dye-sensitized solar cell

Michio Suzuka, Shu Hara, Takashi Sekiguchi, Kenichi Oyaizu, Hiroyuki Nishide

    Research output: Contribution to journalArticle

    8 Citations (Scopus)

    Abstract

    A dye-sensitized solar cell (DSSC) was fabricated with a viologen polymer as a charge-storable electrode and an aqueous electrolyte. The polyviologen was prepared via electrolytic polymerization of the 4-cyanopyridine moiety: It displayed reversible two-electron redox reactions at -0.48 and -0.86 V vs. Ag/AgCl in the aqueous electrolyte, which were appropriate for the acceptance of an electron from the photo-anode or TiO<inf>2</inf> conduction band by the charge-storable electrode. The DSSC using the polyviologen electrode achieved both photo-current generation with a high open-circuit voltage of ca. 0.8 V upon light irradiation, and a charge-supply after irradiation at a constant voltage of ca. 0.4 V with a discharging capacity of ca. 75% of the polyviologen electrode. The potential tuning of the organic-based polyviologen electrode was described.

    Original languageEnglish
    Pages (from-to)353-357
    Number of pages5
    JournalPolymer (United Kingdom)
    Volume68
    DOIs
    Publication statusPublished - 2015 Jun 18

    Fingerprint

    Electrolytes
    Electrodes
    Viologens
    Irradiation
    Electrons
    Redox reactions
    Open circuit voltage
    Conduction bands
    Anodes
    Polymers
    Tuning
    Polymerization
    Dye-sensitized solar cells
    Electric potential

    Keywords

    • Dye-sensitized solar cell
    • Redox polymer
    • Viologen

    ASJC Scopus subject areas

    • Organic Chemistry
    • Polymers and Plastics

    Cite this

    Polyviologen as the charge-storage electrode of an aqueous electrolyte- and organic-based dye-sensitized solar cell. / Suzuka, Michio; Hara, Shu; Sekiguchi, Takashi; Oyaizu, Kenichi; Nishide, Hiroyuki.

    In: Polymer (United Kingdom), Vol. 68, 18.06.2015, p. 353-357.

    Research output: Contribution to journalArticle

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    abstract = "A dye-sensitized solar cell (DSSC) was fabricated with a viologen polymer as a charge-storable electrode and an aqueous electrolyte. The polyviologen was prepared via electrolytic polymerization of the 4-cyanopyridine moiety: It displayed reversible two-electron redox reactions at -0.48 and -0.86 V vs. Ag/AgCl in the aqueous electrolyte, which were appropriate for the acceptance of an electron from the photo-anode or TiO2 conduction band by the charge-storable electrode. The DSSC using the polyviologen electrode achieved both photo-current generation with a high open-circuit voltage of ca. 0.8 V upon light irradiation, and a charge-supply after irradiation at a constant voltage of ca. 0.4 V with a discharging capacity of ca. 75{\%} of the polyviologen electrode. The potential tuning of the organic-based polyviologen electrode was described.",
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    AU - Suzuka, Michio

    AU - Hara, Shu

    AU - Sekiguchi, Takashi

    AU - Oyaizu, Kenichi

    AU - Nishide, Hiroyuki

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    AB - A dye-sensitized solar cell (DSSC) was fabricated with a viologen polymer as a charge-storable electrode and an aqueous electrolyte. The polyviologen was prepared via electrolytic polymerization of the 4-cyanopyridine moiety: It displayed reversible two-electron redox reactions at -0.48 and -0.86 V vs. Ag/AgCl in the aqueous electrolyte, which were appropriate for the acceptance of an electron from the photo-anode or TiO2 conduction band by the charge-storable electrode. The DSSC using the polyviologen electrode achieved both photo-current generation with a high open-circuit voltage of ca. 0.8 V upon light irradiation, and a charge-supply after irradiation at a constant voltage of ca. 0.4 V with a discharging capacity of ca. 75% of the polyviologen electrode. The potential tuning of the organic-based polyviologen electrode was described.

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