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Tailoring the Self-Healing Properties of Conducting Polymer Films.
Macromolecular Bioscience ( IF 4.4 ) Pub Date : 2020-06-22 , DOI: 10.1002/mabi.202000146 Yang Li 1 , Shiming Zhang 2 , Natalie Hamad 1 , Kyoungoh Kim 1 , Leslie Liu 1 , Michael Lerond 1 , Fabio Cicoira 1
Macromolecular Bioscience ( IF 4.4 ) Pub Date : 2020-06-22 , DOI: 10.1002/mabi.202000146 Yang Li 1 , Shiming Zhang 2 , Natalie Hamad 1 , Kyoungoh Kim 1 , Leslie Liu 1 , Michael Lerond 1 , Fabio Cicoira 1
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The conducting polymer polyethylenedioxythiophene doped with polystyrene sulfonate (PEDOT:PSS) has received great attention in the field of wearable bioelectronics due to its tunable high electrical conductivity, air stability, ease of processability, biocompatibility, and recently discovered self‐healing ability. It has been observed that blending additives with PEDOT:PSS or post‐treatment permits the tailoring of intrinsic polymer properties, though their effects on the water‐enabled self‐healing property have not previously been established. Here, it is demonstrated that the water‐enabled healing behavior of conducting polymers is decreased by crosslinkers or by acid post‐treatment. Organic dopants of PEDOT have high water swelling ratios and lead to water‐enabled healing, while inorganic dopants fail in the healing of PEDOT. The water‐enabled healing of two isolated PEDOT:PSS squares with a 5 µm width gap and a thickness less than 1 µm is shown. This work will help pave the way for the further development of conducting polymer‐based self‐healable bioelectronics and flexible and stretchable electronics.
中文翻译：
调整导电聚合物薄膜的自愈特性。
掺杂聚苯乙烯磺酸盐的导电聚合物聚乙烯二氧噻吩（PEDOT：PSS）由于其可调的高电导率、空气稳定性、易加工性、生物相容性以及最近发现的自愈能力，在可穿戴生物电子领域受到了极大的关注。据观察，将添加剂与 PEDOT:PSS 或后处理混合可以调整聚合物的固有特性，尽管它们对水自愈性能的影响以前尚未确定。在这里，证明了交联剂或酸后处理降低了导电聚合物的水使愈合行为。PEDOT 的有机掺杂剂具有高水溶胀率并导致水使能愈合，而无机掺杂剂在 PEDOT 的愈合中失败。显示了具有 5 µm 宽度间隙和小于 1 µm 厚度的两个隔离 PEDOT:PSS 方块的水使愈合。这项工作将有助于为基于聚合物的自修复生物电子学和柔性可拉伸电子学的进一步发展铺平道路。
更新日期：2020-06-22
中文翻译：
调整导电聚合物薄膜的自愈特性。
掺杂聚苯乙烯磺酸盐的导电聚合物聚乙烯二氧噻吩（PEDOT：PSS）由于其可调的高电导率、空气稳定性、易加工性、生物相容性以及最近发现的自愈能力，在可穿戴生物电子领域受到了极大的关注。据观察，将添加剂与 PEDOT:PSS 或后处理混合可以调整聚合物的固有特性，尽管它们对水自愈性能的影响以前尚未确定。在这里，证明了交联剂或酸后处理降低了导电聚合物的水使愈合行为。PEDOT 的有机掺杂剂具有高水溶胀率并导致水使能愈合，而无机掺杂剂在 PEDOT 的愈合中失败。显示了具有 5 µm 宽度间隙和小于 1 µm 厚度的两个隔离 PEDOT:PSS 方块的水使愈合。这项工作将有助于为基于聚合物的自修复生物电子学和柔性可拉伸电子学的进一步发展铺平道路。
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