Fully rubbery synaptic transistors made out of all-organic materials for elastic neurological electronic skin

Hyunseok Shim, Seonmin Jang, Jae Gyu Jang, Zhoulyu Rao, Jong In Hong, Kyoseung Sim, Cunjiang Yu

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

Neurologic function implemented soft organic electronic skin holds promise for wide range of applications, such as skin prosthetics, neurorobot, bioelectronics, human-robotic interaction (HRI), etc. Here, we report the development of a fully rubbery synaptic transistor which consists of all-organic materials, which shows unique synaptic characteristics existing in biological synapses. These synaptic characteristics retained even under mechanical stretch by 30%. We further developed a neurological electronic skin in a fully rubbery format based on two mechanoreceptors (for synaptic potentiation or depression) of pressure-sensitive rubber and an all-organic synaptic transistor. By converting tactile signals into Morse Code, potentiation and depression of excitatory postsynaptic current (EPSC) signals allow the neurological electronic skin on a human forearm to communicate with a robotic hand. The collective studies on the materials, devices, and their characteristics revealed the fundamental aspects and applicability of the all-organic synaptic transistor and the neurological electronic skin.[Figure not available: see fulltext.]

Original languageEnglish (US)
Pages (from-to)758-764
Number of pages7
JournalNano Research
Volume15
Issue number2
DOIs
StatePublished - Feb 2022

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • General Materials Science
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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