Highly Deformable and Transparent Triboelectric Physiological Sensor Based on Anti-Freezing and Antidrying Ionic Conductive Hydrogel

Zhensheng Chen, Jiahao Yu, Mengfei Xu, Haozhe Zeng, Kai Tao, Zixuan Wu, Jin Wu, Jianmin Miao, Honglong Chang, Weizheng Yuan

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

5 Scopus citations

Abstract

This paper reports a novel high-deformable and transparent triboelectric hydrogel sensor (THS) with anti-freezing and anti-drying properties for physiology sensing and motion monitoring. It is the first time to fabricate the micro-pyramidal structure on hydrogel's surface for a highly sensitive self-powered sensor. Excellent mechanical and electrical performances can be obtained due to deformable and conductive ionic hydrogel with anti-freezing and anti-drying properties. It shows no significant variations of output signals after being stored at -20°С for seven days and 60°С for 1-day compared with placed at room temperature. Besides, combined with the same processing method of the triboelectric PDMS layer, THS shows an instant response to physiological movement, including breathing with a mask, finger bending and sitting/squatting down. This work provides an insightful method for hydrogel in the application of the physiological sensors field.

Original languageEnglish
Title of host publication34th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages525-528
Number of pages4
ISBN (Electronic)9781665419123
DOIs
StatePublished - 25 Jan 2021
Event34th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2021 - Virtual, Gainesville, United States
Duration: 25 Jan 202129 Jan 2021

Publication series

NameProceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
Volume2021-January
ISSN (Print)1084-6999

Conference

Conference34th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2021
Country/TerritoryUnited States
CityVirtual, Gainesville
Period25/01/2129/01/21

Keywords

  • Anti-freezing and Anti-drying
  • Pyramidal Hydrogel
  • Transparent Sensors
  • Triboelectric

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