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Advanced Materials

A Fluorinated Phenylene Unit as a Building Block for High-Performance n-Type Semiconducting Polymer

Authors

  • Jung Ha Park,

    1. Department of Materials Science and Engineering, Seoul National University, 1, Gwanak-ro, Gwanak-gu, Seoul 151-744, Korea
    Current affiliation:
    1. These authors contributed equally to this work.
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  • Eui Hyuk Jung,

    1. Department of Materials Science and Engineering, Seoul National University, 1, Gwanak-ro, Gwanak-gu, Seoul 151-744, Korea
    Current affiliation:
    1. These authors contributed equally to this work.
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  • Jae Woong Jung,

    1. Department of Materials Science and Engineering, Seoul National University, 1, Gwanak-ro, Gwanak-gu, Seoul 151-744, Korea
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  • Won Ho Jo

    Corresponding author
    1. Department of Materials Science and Engineering, Seoul National University, 1, Gwanak-ro, Gwanak-gu, Seoul 151-744, Korea
    • Department of Materials Science and Engineering, Seoul National University, 1, Gwanak-ro, Gwanak-gu, Seoul 151-744, Korea.===

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Abstract

Copolymers composed of diketopyrrolopyrrole and phenylene units with different numbers of fluorine subsitution are synthesized. When the effect of the number of fluorine substitution on the n-channel transporting property is investigated, the polymer with four fluorine substitutions exhibits the best n-type charge-transporting behavior with an electron mobility of 2.36 cm2 V−1 s1.

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