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    Anthradithiophene-Containing Copolymers for Thin-Film Transistors and Photovoltaic Cells

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    Type
    Article
    Authors
    Jiang, Ying
    Okamoto, Toshihiro
    Becerril, Hector A.
    Hong, Sanghyun
    Tang, Ming Lee
    Mayer, Alex C.
    Parmer, Jack E.
    McGehee, Michael D.
    Bao, Zhenan
    Date
    2010-08-10
    Permanent link to this record
    http://hdl.handle.net/10754/597585
    
    Metadata
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    Abstract
    We synthesized anthradithiophene-cyclopentadithiophene conjugated copolymers via Stille coupling. The anthradithiophene core was verified to be superior in stability compared to pentacene toward Diels-Alder cycloaddition and therefore more compatible with fullerenes, acceptor material commonly used in bulk heterojunction (BHJ) photovoltaic cells. The polymers exhibit high film absorption coefficients of 105 cm-1, an order of magnitude higher than previously reported anthradithiophene-dialkylfluorene copolymers. Short-circuit currents exceeding 5 mA/cm2 and a BHJ device efficiency close to 1% were achieved when device morphology was improved with diiodooctane as a solvent additive. This is the highest power conversion efficiency achieved by an acene-containing polymer so far. © 2010 American Chemical Society.
    Citation
    Jiang Y, Okamoto T, Becerril HA, Hong S, Tang ML, et al. (2010) Anthradithiophene-Containing Copolymers for Thin-Film Transistors and Photovoltaic Cells. Macromolecules 43: 6361–6367. Available: http://dx.doi.org/10.1021/ma1001639.
    Sponsors
    Z.B. acknowledges financial support from the Stanford Global Climate and Energy Project and the Air Force Office of Scientific Research. This publication was also partially based on work supported by the Center for Advanced Molecular Photovoltaics (Award No. KUS-C1-015-21), made by King Abdullah University of Science and Technology (KAUST). Y.J. acknowledges financial support from the Agency of Science, Technology and Research of Singapore.
    Publisher
    American Chemical Society (ACS)
    Journal
    Macromolecules
    DOI
    10.1021/ma1001639
    ae974a485f413a2113503eed53cd6c53
    10.1021/ma1001639
    Scopus Count
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