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Highly conductive and thermally stable nanoparticle-conjugated polymer compounds through environmentally friendly in situ synthesis
Progress in Organic Coatings ( IF 6.6 ) Pub Date : 2020-05-01 , DOI: 10.1016/j.porgcoat.2020.105606
Swarup Biswas , Do-Kyung Kim , Il-Woo Nam , Muhan Choi , Jin-Hyuk Bae , Hyeok Kim

Abstract In this paper, an environmentally-friendly in situ synthesis of highly conductive and thermally stable nanoparticle-conjugated polymer nano-compounds is introduced. The water-based in situ chemical synthesis enables the successful polymerization of conductive, conjugated polypyrrole: polystyrene sulfonate (PPY:PSS) polymer and the incorporation of silver (Ag) nanoparticles without morphological deformation. The Ag nanoparticles dispersed within the PPY:PSS acted as a mass transport barrier, thus enhancing the thermal stability of the obtained Ag-PPY:PSS. In addition, the enhanced electrical conductivity of Ag-PPY:PSS was attributed to the embedded Ag nanoparticles generating a low-contact resistance conduction pathway, thereby facilitating inter-chain charge transport. Moreover, the conductivity of Ag-PPY:PSS was well tuned by controlling the weight percentage of Ag nanoparticles in the reaction mixture. The environmentally-friendly synthesis of highly conductive and thermally stable nano-compounds will contribute to the realization of next-generation green electronic applications.

中文翻译:

通过环境友好的原位合成获得高导电性和热稳定性的纳米粒子共轭高分子化合物

摘要 本文介绍了一种环保原位合成的高导电性和热稳定性纳米粒子-共轭聚合物纳米化合物。水基原位化学合成能够成功聚合导电共轭聚吡咯:聚苯乙烯磺酸盐 (PPY:PSS) 聚合物,并在无形态变形的情况下掺入银 (Ag) 纳米粒子。分散在 PPY:PSS 中的 Ag 纳米颗粒充当了传质屏障,从而提高了所获得的 Ag-PPY:PSS 的热稳定性。此外,Ag-PPY:PSS 增强的导电性归因于嵌入的 Ag 纳米粒子产生低接触电阻传导通路,从而促进链间电荷传输。此外,Ag-PPY 的电导率:通过控制反应混合物中银纳米粒子的重量百分比,可以很好地调整 PSS。高导电性和热稳定性纳米化合物的环保合成将有助于实现下一代绿色电子应用。
更新日期:2020-05-01
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