BODIPY-based conjugated polymers for broadband light sensing and harvesting applications

Diego Cortizo-Lacalle, Calvyn T. Howells, Salvatore Gambino, Filipe Vilela, Zuzana Vobecka, Neil J. Findlay, Anto R. Inigo, Stuart A.J. Thomson, Peter J. Skabara, Ifor D.W. Samuel

    Research output: Contribution to journalArticlepeer-review

    55 Scopus citations

    Abstract

    The synthesis of novel low band-gap polymers has significantly improved light sensing and harvesting in polymer-fullerene devices. Here the synthesis of two low band-gap polymers based on the 4,4-difluoro-4-bora-3a,4a-diaza-s- indacene core (BODIPY), and either bis(3,4-ethylenedioxythiophene) (bis-EDOT) or its all-sulfur analogue bis(3,4-ethylenedithiathiophene) (bis-EDTT) are described. The polymers demonstrate ambipolar charge transport and are shown to be suitable for broadband light sensing and solar energy harvesting in solution-processable polymer-fullerene devices.

    Original languageBritish English
    Pages (from-to)14119-14126
    Number of pages8
    JournalJournal of Materials Chemistry
    Volume22
    Issue number28
    DOIs
    StatePublished - 28 Jul 2012

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