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Novel Polymer Nanowire Crystals of Diketopyrrolopyrrole-Based Copolymer with Excellent Charge Transport Properties

Authors

  • Ji Ho Kim,

    1. Dept. of Chemistry, Research Institute for Natural Sciences, Korea University, 5 Anam-dong, Sungbuk-gu, Seoul 136-701, Korea
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  • Dae Hee Lee,

    1. Dept. of Chemistry, Research Institute for Natural Sciences, Korea University, 5 Anam-dong, Sungbuk-gu, Seoul 136-701, Korea
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  • Da Seul Yang,

    1. Dept. of Chemistry, Research Institute for Natural Sciences, Korea University, 5 Anam-dong, Sungbuk-gu, Seoul 136-701, Korea
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  • Dong Uk Heo,

    1. Dept. of Chemistry, Research Institute for Natural Sciences, Korea University, 5 Anam-dong, Sungbuk-gu, Seoul 136-701, Korea
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  • Kyung Hwan Kim,

    1. Dept. of Chemistry, Research Institute for Natural Sciences, Korea University, 5 Anam-dong, Sungbuk-gu, Seoul 136-701, Korea
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  • Jicheol Shin,

    1. Dept. of Chemistry, Research Institute for Natural Sciences, Korea University, 5 Anam-dong, Sungbuk-gu, Seoul 136-701, Korea
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  • Hyun-Ji Kim,

    1. Nanohybrids Center, Korea Institute of Science and Technology (KIST), 39-1, Hawolgok-dong, Sungbuk-gu, Seoul 136-791, Korea
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  • Kyung-Youl Baek,

    1. Nanohybrids Center, Korea Institute of Science and Technology (KIST), 39-1, Hawolgok-dong, Sungbuk-gu, Seoul 136-791, Korea
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  • Kwangyeol Lee,

    1. Dept. of Chemistry, Research Institute for Natural Sciences, Korea University, 5 Anam-dong, Sungbuk-gu, Seoul 136-701, Korea
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  • Hionsuck Baik,

    Corresponding author
    1. Division of Analytical Research, Korea Basic Science Institute, 74 Inchon-ro, Seongbuk-gu, Seoul 136-713, Korea
    • Division of Analytical Research, Korea Basic Science Institute, 74 Inchon-ro, Seongbuk-gu, Seoul 136-713, Korea.
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  • Min Ju Cho,

    Corresponding author
    1. Dept. of Chemistry, Research Institute for Natural Sciences, Korea University, 5 Anam-dong, Sungbuk-gu, Seoul 136-701, Korea
    • Dept. of Chemistry, Research Institute for Natural Sciences, Korea University, 5 Anam-dong, Sungbuk-gu, Seoul 136-701, Korea
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  • Dong Hoon Choi

    Corresponding author
    1. Dept. of Chemistry, Research Institute for Natural Sciences, Korea University, 5 Anam-dong, Sungbuk-gu, Seoul 136-701, Korea
    • Dept. of Chemistry, Research Institute for Natural Sciences, Korea University, 5 Anam-dong, Sungbuk-gu, Seoul 136-701, Korea
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Abstract

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The first demonstration of polymer nanowire (PNW) crystals based on a diketopyrrolopyrrole-based copolymer (i.e., PDTTDPP), and their application to field-effect transistors (FETs) is reported. Remarkably, transmission electron microscopy and selected area electron diffraction analyses of the PNW reveal its single-crystalline (SC) nature. FETs fabricated of a SC PNW exhibit a maximal charge carrier mobility of ≈7.00 cm2 V−1 s−1, which is almost one order of magnitude higher than that of the thin-film transistors made of the same polymer (PDTTDPP).

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