Transparent stretchable hydrogel sensors: materials, design and applications

Yinping Liu, Lulu Wang, Yuanyuan Mi, Sisi Zhao, Simeng Qi, Meng Sun, Bo Peng, Quan Xu, Yingchun Niu, Yang Zhou

Research output: Contribution to journalReview Articlepeer-review

4 Citations (Scopus)

Abstract

Flexible sensors have great potential for human motion sensing, medical monitoring, electronic skin and display devices. Flexible hydrogel sensors with transparent characteristics have a good visual effect, which can be used for "invisible" devices and visual optical monitoring, as well as to improve the aesthetics of devices for daily usage, etc. However, there are no systematic reviews on the working principle, characteristics and application prospects of transparent stretchable hydrogel sensors. In this review, we summarize recent advances in wearable strain sensors, pressure sensors, temperature sensors, humidity sensors and gas sensors based on transparent stretchable hydrogels, emphasizing materials, designs and applications. We also discuss the combinations and applications of sensors with emerging technologies such as wearable devices, artificial intelligence, human-computer interaction and 3D printing. Finally, this review presents a brief summary, challenges, and perspectives of transparent stretchable hydrogel sensors.

Original languageEnglish
Pages (from-to)13351-13371
Number of pages21
JournalJournal of Materials Chemistry C
Volume10
Issue number37
Early online date22 Apr 2022
DOIs
Publication statusPublished - 29 Sep 2022
MoE publication typeA2 Review article in a scientific journal

Keywords

  • WEARABLE STRAIN SENSORS
  • NANOFIBRILLAR HYDROGELS
  • CONDUCTIVE HYDROGELS
  • HIGHLY TRANSPARENT
  • TI3C2TX MXENE
  • SKIN
  • ADHESIVE
  • PERFORMANCE
  • GAS

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