An Easily Accessible Isoindigo-Based Polymer for High-Performance Polymer Solar Cells.

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

    Research output: Contribution to journalArticle

    339 Citations (Scopus)

    Abstract

    A new, low-band-gap alternating copolymer consisting of terthiophene and isoindigo has been designed and synthesized. Solar cells based on this polymer and PC71BM show a power conversion efficiency of 6.3%, which is a record for polymer solar cells based on a polymer with an optical band gap below 1.5 eV. This work demonstrates the great potential of isoindigo moieties as electron-deficient units for building donor-acceptor-type polymers for high-performance polymer solar cells.

    Original languageEnglish
    Pages (from-to)14244-14247
    Number of pages4
    JournalJournal of The American Chemical Society
    Volume133
    Issue number36
    DOIs
    Publication statusPublished - 14 Sep 2011

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