pEDOT

Vitamin K1 Composites: An Electrochemical Study on Stable, Water-Permeable, Proton-Bonding Thin-Film Electrodes

David Mayevsky, Bjorn Winther Jensen

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    Herein we report detailed electrochemical studies of a conducting polymer composite that is engineered to selectively react with protons and that has reactive sites across the entirety of the volume due to the excellent water permeability throughout the film. This chemically modified electrode (CME) utilises a conducting polymer as the source of charge carrier and Vitamin-K as the water-insoluble redox species that bonds protons in reduction and releases protons in oxidation. The overall number of active proton bonding sites was found to be 1.36 × 1016 sites/cm2, with a redox capacity of ∼64 mAh/g, which makes this CME comparable to modern inorganic cathodes. The electrode exhibited insignificant degradation after 500 cycles. The composite is relatively simple to manufacture as it requires no purification steps as part of the processing.

    Original languageEnglish
    Pages (from-to)1455-1459
    Number of pages5
    JournalChemistrySelect
    Volume3
    Issue number5
    DOIs
    Publication statusPublished - 2018 Feb 7

    Fingerprint

    Vitamin K 1
    Protons
    Thin films
    Electrodes
    Water
    Composite materials
    Conducting polymers
    Vitamin K
    Charge carriers
    Purification
    Cathodes
    Degradation
    Oxidation
    Processing
    Oxidation-Reduction

    Keywords

    • Chemically modified electrodes
    • pEDOT composites
    • quinones
    • vapour phase polymerisation
    • vitamin K1

    ASJC Scopus subject areas

    • Chemistry(all)

    Cite this

    pEDOT : Vitamin K1 Composites: An Electrochemical Study on Stable, Water-Permeable, Proton-Bonding Thin-Film Electrodes. / Mayevsky, David; Winther Jensen, Bjorn.

    In: ChemistrySelect, Vol. 3, No. 5, 07.02.2018, p. 1455-1459.

    Research output: Contribution to journalArticle

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