Synthesis and Characterization of Poly(3-hexylthiophene)-<i>block</i>-poly(styrene) Containing Perylene Diimide Moiety at Junction

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  • OGINO Kenji
    Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology
  • SEKI Noritaka
    Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology
  • QIAN Sicong
    Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology
  • TANE Shizuka
    Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology
  • HAYASHI Kazuya
    Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology
  • KANEHASHI Shinji
    Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology

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Other Title
  • ペリレンイミド単位で連結したポリヘキシルチオフェンとポリスチレンからなるブロック共重合体の合成
  • ペリレンイミド タンイ デ レンケツ シタ ポリヘキシルチオフェン ト ポリスチレン カラ ナル ブロック キョウ ジュウゴウタイ ノ ゴウセイ

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Abstract

<p>A block copolymer consisting of regioregular poly(3-hexylthiophene) (P3HT) and electrically inert poly(styrene) (PSt) containing perylene diimide (PDI) at the junction (P3HT-PDI-PSt) was designed for photovoltaic applications and synthesized via Suzuki-Miyaura coupling of bromo terminated P3HT and the boronic ester with PSt containing the PDI unit. From grazing incidence wide angle X-ray diffraction analysis for the annealed thin films, it is found that incorporation of PDI hinders the growth of alkyl stacking in the (100) direction of the phase separated P3HT domain. Investigation of space-charge limited current characteristics in the hole-only devices reveals that higher SCLC mobility was observed in the P3HT-PDI-PSt than in the P3HT precursor in spite of the lower crystallinity.</p>

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 76 (2), 163-167, 2019-03-25

    The Society of Polymer Science, Japan

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