A biomimetic laminated strategy enabled strain-interference free and durable flexible thermistor electronics

被引：80

作者：

Hao, Sanwei ^{[1
]}

Fu, Qingjin ^{[1
]}

Meng, Lei ^{[1
]}

Xu, Feng ^{[1
]}

Yang, Jun ^{[1
,2
]}

机构：

[1] Beijing Forestry Univ, Coll Mat Sci & Technol, Beijing Key Lab Lignocellulos Chem, Beijing 100083, Peoples R China

[2] South China Univ Technol, State Key Lab Pulp & Paper Engn, Guangzhou 510640, Peoples R China

来源：

NATURE COMMUNICATIONS | 2022年 / 13卷 / 01期

基金：

北京市自然科学基金; 中国国家自然科学基金;

关键词：

CONDUCTIVE HYDROGEL; TEMPERATURE; NANOCOMPOSITES;

D O I：

10.1038/s41467-022-34168-x

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The development of flexible thermistor epidermal electronics (FTEE) to satisfy high temperature resolution without strain induced signal distortion is of great significance but still challenging. Inspired by the nacre microstructure capable of restraining the stress concentration, we exemplify a versatile MXene-based thermistor elastomer sensor (TES) platform that significantly alleviates the strain interference by the biomimetic laminated strategy combining with the in-plane stress dissipation and nacre-mimetic hierarchical architecture, delivering competitive advantages of superior thermosensitivity (-1.32% degrees C-1), outstanding temperature resolution (similar to 0.3 degrees C), and unparalleled mechanical durability (20000 folding fatigue cycles), together with considerable improvement in strain-tolerant thermosensation over commercial thermocouple in exercise scenario. By a combination of theoretical model simulation, microstructure observation, and superposed signal detection, the authors further reveal the underlying temperature and strain signal decoupling mechanism that substantiate the generality and customizability of the nacre-mimetic strategy, possessing insightful significance of fabricating FTEE for static and dynamic temperature detection.

引用

页数：13

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