Highly Transparent,Stretchable,and Self‑Healable Ionogel for Multifunctional Sensors,Triboelectric Nanogenerator,and Wearable Fibrous Electronics

查看全文 作　　者：Lijie [1]Sun;Hongfei [1]Huang;Qiyu [1]Ding;Yifan [1]Guo;Wei [1]Sun;Zhuangchun [1]Wu;Minglin [2]Qin;Qingbao [1]Guan;Zhengwei [1]You

机构地区：[1]State Key Laboratory for Modifcation of Chemical Fibers and Polymer Materials,International Joint Laboratory for Advanced Fiber and Low-Dimension Materials,Key Laboratory of High Performance Fibers and Products,Ministry of Education,College of Materials Science and Engineering,Institute of Functional Materials,Donghua University,2999 North Renmin Road,Shanghai 201620,People’s Republic of China;[2]AccuPath Medical(Jiaxing)Co.,Ltd,1303 Yatai Rd.,Nanhu District,Jiaxing 314006,People’s Republic of China

出　　处：《Advanced Fiber Materials》索引2022年第4卷第1期,共10页

基　　金：This work was supported by the National Natural Science Foundation of China(21991123 and 52073049);the Natural Science Foundation of Shanghai(20ZR1402500 and 18ZR1401900);Shanghai Rising-Star Program(20520741000);Belt&Road Young Scientist Exchanges Project of Science and Technology Commission Foundation of Shanghai(20520741000);the Shanghai Belt and Road Joint Laboratory of Advanced Fiber and Low-dimension Materials(Donghua University)(18520750400);the Fundamental Research Funds for the Central Universities(2232021G-02);DHU Distinguished Young Professor Program(LZA2019001);the Science and Technology Commission of Shanghai(17DZ2260100). 摘　　要：Ionogels with high transparency,stretchability and self-healing capability show great potential for wearable electronics.Here,a kind of highly transparent,stretchable and self-healable ionogels are designed using double physical cross-linking including hydrogen bonding and dipole–dipole interaction.Owing to the dynamic and reversible nature of the ion–dipole interaction and hydrogen bonds of polymeric chains,the ionogel possesses good self-healing capability.The multifunctional sensors for strain and temperature are fabricated based on ionogel.The ionogel can serve as strain sensor that exhibited high sensitivity[gauge factor(GF)=3.06]and durability(1000 cycles)to a wide range of strains(0–300%).Meanwhile,the ionogel shows rapid response to temperature,due to the temperature dependence of its ionic conductivity.Furthermore,the ionogel fbers with excellent antifreezing(−20°C)capability are fabricated,and the fbers show the good sensing performance to human motions and temperature.Importantly,the antifreezing ionogel-based triboelectric nanogenerator(ITENG)is assembled for efcient energy harvesting.The ITENG shows a short circuit current(ISC)of 6.1μA,open circuit voltage(VOC)of 115 V,and instantaneous peak power density of 334 mW m−2.This work provides a new strategy to design ionogels for the advancement of wearable electronics. 关键词：Ionogel Electronic skin SELF-HEALING Fiber Sensor Triboelectric nanogenerator

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Highly Transparent,Stretchable,and Self‑Healable Ionogel for Multifunctional Sensors,Triboelectric Nanogenerator,and Wearable Fibrous Electronics

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