Transparent,Ultra-Stretching,Tough,Adhesive Carboxyethyl Chitin/Polyacrylamide Hydrogel Toward High-Performance Soft Electronics

作     者：Jipeng Zhang Yang Hu Lina Zhang Jinping Zhou Ang Lu Jipeng Zhang;Yang Hu;Lina Zhang;Jinping Zhou;Ang Lu

作者机构：College of Chemistry and Molecular SciencesWuhan UniversityWuhan 430072People’s Republic of China Hubei Engineering Center of Natural Polymer-Based Medical MaterialsWuhan UniversityWuhan 430072People’s Republic of China 

出 版 物：《Nano-Micro Letters》 (纳微快报（英文版）)

年 卷 期：2023年第15卷第1期

页      面：161-182页

核心收录：

学科分类：081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 

基　　金：supported by the National Natural Science Foundation of China(51973166) the Key Research and Development Program of Hubei Province(2020BCA079) 

主　　题：Conductive hydrogels Multifunctional sensors Human-machine interaction Electronic skin Stretchable triboelectric nanogenerators 

摘      要：To date,hydrogels have gained increasing attentions as a flexible conductive material in fabricating soft ***,it remains a big challenge to integrate multiple functions into one gel that can be used widely under various ***,a kind of multifunc-tional hydrogel with a combination of desirable characteristics,including remarkable transparency,high conductivity,ultra-stretchability,tough-ness,good fatigue resistance,and strong adhesive ability is presented,which was facilely fabricated through multiple noncovalent crosslinking *** resultant versatile sensors are able to detect both weak and large deformations,which owns a low detection limit of 0.1%strain,high stretchability up to 1586%,ultrahigh sensitivity with a gauge factor up to 18.54,as well as wide pressure sensing range(0-600 kPa).Meanwhile,the fabrication of conductive hydrogel-based sensors is demonstrated for various soft electronic devices,including a flexible human-machine interactive system,the soft tactile switch,an integrated electronic skin for unprecedented nonplanar visualized pressure sensing,and the stretchable triboelectric nanogenerators with excellent biomechanical energy harvesting *** work opens up a simple route for multifunctional hydrogel and promises the practical application of soft and self-powered wearable electronics in various complex scenes.