Organic Photovoltaics: Benzobisthiazole as Weak Donor for Improved Photovoltaic Performance: Microwave Conductivity Technique Assisted Molecular Engineering (Adv. Funct. Mater. 1/2014)

Authors

  • Masashi Tsuji,

    1. Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan
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  • Akinori Saeki,

    Corresponding author
    1. Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan
    2. PRESTO, Japan Science and Technology Agency (JST), Honcho Kawaguchi, Saitama, Japan
    • Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita Osaka 565-0871 Japan

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  • Yoshiko Koizumi,

    1. Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan
    2. RIKEN Advanced Science Institute, Wako, Saitama, Japan
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  • Naoto Matsuyama,

    1. Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan
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  • Chakkooth Vijayakumar,

    1. Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan
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  • Shu Seki

    Corresponding author
    1. Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan
    • Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita Osaka 565-0871 Japan

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Abstract

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Towards a highly efficient organic photovoltaic, new donoracceptor-type copolymers are proposed by S. Seki and co-workers. The copolymers comprise benzobisthiazole as a weak donor rather than an acceptor. The molecular design and device tuning of BBTz-based copolymers coupled with thienopyrroledione and benzothiadiazole are reported on page 28, by means of a device-less evaluation of laser and Xe-flash time-resolved microwave conductivity.

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