Nature Communications (Jan 2023)

Force-induced ion generation in zwitterionic hydrogels for a sensitive silent-speech sensor

  • Sijia Xu,
  • Jie-Xiang Yu,
  • Hongshuang Guo,
  • Shu Tian,
  • You Long,
  • Jing Yang,
  • Lei Zhang

DOI
https://doi.org/10.1038/s41467-023-35893-7
Journal volume & issue
Vol. 14, no. 1
pp. 1 – 11

Abstract

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The development of sensitive hydrogel sensor without additional mobile ionic species is challenging. Here, the authors demonstrate force-induced ion generation in a skin sensor based on zwitterionic hydrogel, and build a throat-worn silent-speech recognition system with high recognition accuracy.