Synthesis of Stretchable, Environmentally Stable, Conducting Polymer PEDOT Using a Modified Acid Template Random Copolymer,Macromolecular Chemistry and Physics

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Synthesis of Stretchable, Environmentally Stable, Conducting Polymer PEDOT Using a Modified Acid Template Random Copolymer
Macromolecular Chemistry and Physics ( IF 2.5 ) Pub Date : 2020-02-10 , DOI: 10.1002/macp.201900465
Youngno Kim ₁ , Jooyoung Kim ₁ , Hongjoo Lee ₁ , Chanil Park ₁ , Soeun Im ₁ , Jung Hyun Kim ₁

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Although poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) has good electrical conductivity and high transparency in most applications, its usage in stretchable applications is limited because of its rigidity, reduced conductivity after elongation, and poor environmental stability. This study addresses these issues by incorporating the soft and relatively hydrophobic moiety poly(ethylene glycol) methacrylate (PEGMA). By incorporating PEGMA randomly in the rigid PSS chain, a soft and hydrophobic copolymer P(SS‐co‐PEGMA) is obtained. The conducting P(SS‐co‐PEGMA)‐based polymer‐coated PET film exhibits good resistance even after 400% elongation. In addition, PEDOT:P(SS‐co‐PEGMA) has better environmental stability than PEDOT:PSS because of the presence of the relatively hydrophobic PEGMA moiety in the chain. Moreover, the potential applicability of the synthesized flexible and stretchable electronic material as a stretchable matrix is established, which includes inorganic conductors (AgNW). When this material is stretched, it can be applied as a conductive interconnector to maintain the electrical pathway, instead of the other insulating matrices.

中文翻译：

使用改性的酸模板无规共聚物合成可拉伸，环境稳定的导电聚合物PEDOT

尽管聚（3,4-乙撑二氧噻吩）：聚（苯乙烯磺酸盐）（PEDOT：PSS）在大多数应用中具有良好的导电性和高透明度，但由于其刚性，伸长后的导电性降低以及环境恶劣，其在可拉伸应用中的使用受到限制。稳定性。这项研究通过结合柔软且相对疏水的聚甲基丙烯酸乙二醇酯（PEGMA）解决了这些问题。通过将PEGMA随机掺入刚性PSS链中，可以获得柔软且疏水的共聚物P（SS- co- PEGMA）。导电的P（SS- co -PEGMA）基聚合物涂覆的PET膜即使在400％伸长后也显示出良好的电阻。此外，PEDOT：P（SS‐ co‐PEGMA）比PEDOT：PSS具有更好的环境稳定性，因为链中存在相对疏水的PEGMA部分。此外，确立了合成的柔性可拉伸电子材料作为可拉伸基质的潜在适用性，该材料包括无机导体（AgNW）。当这种材料被拉伸时，它可以用作导电互连器以维持电气通路，而不是其他绝缘基质。

更新日期：2020-02-10

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