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Highly Stretchable and Transparent Ionic Conductor with Novel Hydrophobicity and Extreme-Temperature Tolerance

Abstract

Highly stretchable and transparent ionic conducting materials have enabled new concepts of electronic devices denoted as iontronics, with a distinguishable working mechanism and performances from the conventional electronics. However, the existing ionic conducting materials can hardly bear the humidity and temperature change of our daily life, which has greatly hindered the development and real-world application of iontronics. Herein, we design an ion gel possessing unique traits of hydrophobicity, humidity insensitivity, wide working temperature range (exceeding 100°C, and the range covered our daily life temperature), high conductivity (10-3~10-5 S/cm), extensive stretchability, and high transparency, which is among the best-performing ionic conductors ever developed for flexible iontronics. Several ion gel-based iontronics have been demonstrated, including large-deformation sensors, electroluminescent devices, and ionic cables, which can serve for a long time under harsh conditions. The designed material opens new potential for the real-world application progress of iontronics.
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Category

Academic article

Language

English

Author(s)

  • Lei Shi
  • Kun Jia
  • Yiyang Gao
  • Hua Yang
  • Yaming Ma
  • Shiyao Lu
  • Guoxin Gao
  • Huaitian Bu
  • tongqing Lu
  • Shujiang Ding

Affiliation

  • SINTEF Industry / Materials and Nanotechnology
  • Xi'an Jiaotong University

Year

2020

Published in

Research

ISSN

2096-5168

Volume

2020

View this publication at Norwegian Research Information Repository