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<p>Artificial tactile perception system, as an emerging sensor technology, is expected to provide human-like touch sensing ability for robots, prosthetics, and smart wearable equipment. The introduction of neuromorphic devices could observably increase efficiency and reduce circuit complexity during signal conversion and pulse encoding operations. Herein, we demonstrate a two-dimensional tellurene (Te) based threshold switching (TS) memristive device with low high resistance state variation, which is successfully applied for constructing an artificial nociceptive and emulating a leaky integrate-and-fire (LIF) neuron. Furthermore, a self-powered artificial tactile perception system is constructed by combining this LIF neuron and piezoelectric nanogenerator device, demonstrating a self-protection function under mechanical stimulation, i.e., hand retraction reflex. The bioinspired artificial tactile perception system indicates the potential of developing next-generation bio-inspired electronics and human-machine interaction systems.</p>

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A self-powered artificial tactile perception system with self-protection functionality based on tellurene threshold switching memristor

  • 期刊论文

  • 发表日期：

    2025年6月3日

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  • Jingyao Bian,
  • Yongxing Zhu,
  • Ye Tao,
  • Zhongqiang Wang,
  • Xiaoning Zhao,
  • Ya Lin,
  • Haiyang Xu,
  • Yichun Liu

摘要

Artificial tactile perception system, as an emerging sensor technology, is expected to provide human-like touch sensing ability for robots, prosthetics, and smart wearable equipment. The introduction of neuromorphic devices could observably increase efficiency and reduce circuit complexity during signal conversion and pulse encoding operations. Herein, we demonstrate a two-dimensional tellurene (Te) based threshold switching (TS) memristive device with low high resistance state variation, which is successfully applied for constructing an artificial nociceptive and emulating a leaky integrate-and-fire (LIF) neuron. Furthermore, a self-powered artificial tactile perception system is constructed by combining this LIF neuron and piezoelectric nanogenerator device, demonstrating a self-protection function under mechanical stimulation, i.e., hand retraction reflex. The bioinspired artificial tactile perception system indicates the potential of developing next-generation bio-inspired electronics and human-machine interaction systems.