An isoindigo-based low band gap polymer for efficient polymer solar cells with high photo-voltage

Ergang Wang, Zaifei Ma, Zhang Zhen, Patrik Henriksson, Olle Inganas, Fengling Zhang, Mats R. Andersson

    Research output: Contribution to journalArticlepeer-review

    125 Citations (Scopus)

    Abstract

    A new low band gap polymer (Eg = 1.6 eV) with alternating thiophene and isoindigo units was synthesized and characterized. A PCE of 3.0% and high open-circuit voltage of 0.89 V were realized in polymer solar cells, which demonstrated the promise of isoindigo as an electron deficient unit in the design of donor-acceptor conjugated polymers for polymer solar cells.

    Original languageEnglish
    Pages (from-to)4908-4910
    Number of pages3
    JournalChemical Communications
    Volume47
    Issue number17
    DOIs
    Publication statusPublished - 7 May 2011

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