Issue 35, 2021

Interpenetrating PAA-PEDOT conductive hydrogels for flexible skin sensors

Abstract

Conductive hydrogels are promising material candidates in artificial skin and muscles, flexible and implantable bioelectronics, and tissue engineering. However, it is still a challenging task to formulate hydrogels with high electrical conductivity without compromising their physicochemical properties. Herein, we report an interpenetrating poly(acrylic acid)-poly(3,4-ethylenedioxythiophene) (PAA-PEDOT) hydrogel with high electrical conductivity and good stretchability. A second PEDOT hydrogel network is electrochemically polymerized into an existing PAA hydrogel network. The interpenetrating hydrogel can be readily prepared and integrated into epidermal flexible electronic devices for the real-time, on-body detection of various ions in human sweat. The interpenetrating PAA-PEDOT conductive hydrogel has the potential to be an important building material for various flexible electronic devices for personalized healthcare.

Graphical abstract: Interpenetrating PAA-PEDOT conductive hydrogels for flexible skin sensors

Supplementary files

Article information

Article type
Paper
Submitted
05 اپریل 2021
Accepted
01 جوٗن 2021
First published
01 جوٗن 2021

J. Mater. Chem. C, 2021,9, 11794-11800

Interpenetrating PAA-PEDOT conductive hydrogels for flexible skin sensors

F. Fu, J. Wang and J. Yu, J. Mater. Chem. C, 2021, 9, 11794 DOI: 10.1039/D1TC01578H

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