Synthesis and Characterisation of High Fullerene Content Polymers and Their Use in Organic Photovoltaic Devices

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    Abstract

    Narrow dispersity polymers with a high tethered fullerene content were synthesised by first polymerising poly(chloromethyl styrene) using reversible addition-fragmentation chain transfer (RAFT) polymerisation and subsequently functionalising them with pristine fullerene. The polymers comprised 52% by weight fullerene, corresponding to approximately one fullerene per monomer in the polymer with a different morphology to poly(3-hexyl thiophene) (P3HT) : phenyl-C61-butyric acid methyl ester (PCBM) systems. Bulk heterojunctions formed from the polymer tethered fullerene (PTF) with P3HT yielded functioning organic photovoltaic devices with power conversion efficiencies ranging from 0.0030 to 0.22% as the PTF was increased from 1:0.8 to 1:1.3. Process optimisation resulted in a maximum efficiency of 0.4%.

    Original languageEnglish
    Pages (from-to)1767-1772
    Number of pages6
    JournalAustralian Journal of Chemistry
    Volume68
    Issue number11
    DOIs
    Publication statusPublished - 2015

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