材料科学
生物高聚物
明胶
聚合物
有机电子学
共聚物
数码产品
化学工程
柔性电子器件
聚噻吩
噻吩
纳米技术
导电聚合物
高分子化学
有机化学
复合材料
晶体管
化学
电压
物理化学
工程类
物理
量子力学
作者
Xingming Sun,Edward Chan,Qun Chen,Nigel Kirby,Jingwen Yang,Jitendra Mata,Richard L. Kingston,David Barker,Laura Domigan,Jadranka Travaš-Sejdić
标识
DOI:10.1021/acsami.4c02174
摘要
As transient electronics continue to advance, the demand for new materials has given rise to the exploration of conducting polymer (CP)-based electronic materials. The big challenge lies in balancing conductivity while introducing controlled degradable properties into CP-based transient materials. In response to this, we present in this work a concept of using conducting polymers attached to an enzymatically biodegradable biopolymer to create transient polymer electronics materials. Specifically, poly(3-hexyl thiophene) (P3HT) is covalently grafted onto biopolymer gelatin, affording graft copolymer gelatin-graft-poly(3-hexyl thiophene) (termed Gel-g-P3HT). The thin films of Gel-g-P3HT that were produced by optimized processing solvent (THF/H2O cosolvent) showed enhanced π–π stacking domains of P3HT, resulting in semiconducting thin films with good electroactivity. Due to the presence of amide bonds in the gelatin backbone, Gel-g-P3HT underwent degradation over a period of 5 days, resulting in the formation of amphiphilic micellar nanoparticles that are biocompatible and nontoxic. The potential of these conductive and degradable graft copolymers was demonstrated in a pressure sensor. This research paves the way for developing biocompatible and enzymatically degradable polymer materials based on P3HT, enabling the next generation of transient polymer electronics for diverse applications, such as skin, implantable, and environmental electronics.
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