Water stability and orthogonal patterning of flexible micro-electrochemical transistors on plastic

Water-stable, flexible and micro-scale organic electrochemical transistors (OECTs) based on poly( 3,4-ethylenedioxythiophene) doped with poly(styrenesulfonate) (PEDOT:PSS) were fabricated on a plastic substrate using a new process based on a fluorinated photoresist. The PEDOT: PSS films, mixed solely with a biocompatible conductivity enhancer, show robust adhesion on plastic substrates, and exhibit unchanged electrical properties under extreme bending. This work simplifies the fabrication of high-performance OECTs and places them in a highly competitive position for flexible electronics and healthcare applications.

基于掺杂聚苯乙烯磺酸盐（PEDOT:PSS）的聚（3,4 - 乙烯二氧噻吩），利用一种基于氟化光刻胶的新工艺，在塑料基底上制备了水稳定性好、柔性且微型的有机电化学晶体管（OECTs）。仅与一种生物相容性导电增强剂混合的PEDOT:PSS薄膜在塑料基底上显示出牢固的附着力，并且在极端弯曲情况下电学性能保持不变。这项工作简化了高性能OECTs的制备过程，并使它们在柔性电子和医疗保健应用中具有很强的竞争力。