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Polymer electronic composites that heal by solvent vapour

机译：聚合物电子复合材料通过溶剂蒸气愈合

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摘要

Recent advances in organic electronic devices have reached new milestones in performance and function, and they are used in applications ranging from displays to sensory devices. However, they still present limitations in mechanical flexibility and electrical durability following the damage caused during their lifetime. Herein, we present a simple route to prepare conducting polymer composites that can address some of these issues through solvent vapour-induced healing of cracks formed within conducting polymer composites. Conducting polymer composites were prepared by solution blending of poly(3hexylthiophene) (P3HT) and poly(dimethylsiloxane) (PDMS)-containing urea segmented copolymer. The bicomponent composites with various weight fractions of neutral P3HT were used to demonstrate their electroactivity whereas the electrical conductivity, mechanical and solvent vapour-induced self-healing studies were carried out with composites with various weight fractions of FeCl3-doped P3HT. A mechanically bisected free-standing film with 30 wt% of doped P3HT was observed to be readily healed through exposure to solvent vapour at room temperature, with a mechanical healing efficiency of 55 +/- 24% and restoration of electrical conductivity up to 82 +/- 1%.
机译：有机电子设备的最新进步已达到性能和功能的新里程碑，它们用于从显示器到感官设备的应用。然而，它们仍然在其寿命期间造成的损坏后仍然存在机械柔性和电耐用性的限制。在此，我们介绍了一种制备聚合物复合材料的简单途径，该聚合物复合材料可以通过在传导聚合物复合材料中形成的溶剂蒸气诱导的裂缝愈合来解决这些问题中的一些问题。通过聚合物复合材料通过溶液混合制备聚（3HexalthoOphisophine）（P3HT）和聚（二甲基硅氧烷）（PDMS） - 脲脲分段共聚物。使用具有各种重量分数的中性P3HT的双组分复合材料用于证明它们的电切换，而导电性，机械和溶剂蒸气诱导的自我愈合研究用具有各种重量级分的FECL3掺杂P3HT的复合材料进行。通过在室温下暴露于溶剂蒸汽，观察到具有30wt％的掺杂P3HT的机械增加的自卸式膜，以便在室温下暴露于溶剂蒸汽，为55 +/- 24％的机械愈合效率，并且恢复电导率高达82 + / - 1％。

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  • 来源
    《RSC Advances》 |2016年第100期|共9页
  • 作者

    Baek Paul; Aydemir Nihan; Chaudhary Omer Javed; Chan Eddie Wai Chi; Malmstrom Jenny; Giffney Tim; Khadka Roshan; Barker David; Travas-Sejdic Jadranka;

  • 作者单位

    Univ Auckland Sch Chem Sci Polymer Elect Res Ctr Auckland New Zealand;

    Univ Auckland Sch Chem Sci Polymer Elect Res Ctr Auckland New Zealand;

    Univ Auckland Sch Chem Sci Polymer Elect Res Ctr Auckland New Zealand;

    Univ Auckland Sch Chem Sci Polymer Elect Res Ctr Auckland New Zealand;

    MacDiarmid Inst Adv Mat &

    Nanotechnol Wellington New Zealand;

    Univ Auckland Fac Engn Chem &

    Mat Engn Auckland New Zealand;

    Univ Auckland Sch Chem Sci Polymer Elect Res Ctr Auckland New Zealand;

    Univ Auckland Sch Chem Sci Polymer Elect Res Ctr Auckland New Zealand;

    Univ Auckland Sch Chem Sci Polymer Elect Res Ctr Auckland New Zealand;

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  • 正文语种 eng
  • 中图分类 化学;
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