Stretchable silicon nanoribbon electronics for skin prosthesis

Jaemin Kim, Mincheol Lee, Hyung Joon Shim, Roozbeh Ghaffari, Hye Rim Cho, Donghee Son, Yei Hwan Jung, Min Soh, Changsoon Choi, Sungmook Jung, Kon Chu, Daejong Jeon, Soon-Tae Lee, Ji Hoon Kim, Seung Hong Choi, Taeghwan Hyeon and Dae-Hyeong Kim ()
Additional contact information
Jaemin Kim: Center for Nanoparticle Research, Institute for Basic Science (IBS)
Mincheol Lee: Center for Nanoparticle Research, Institute for Basic Science (IBS)
Hyung Joon Shim: Center for Nanoparticle Research, Institute for Basic Science (IBS)
Roozbeh Ghaffari: MC10 Inc.
Hye Rim Cho: Center for Nanoparticle Research, Institute for Basic Science (IBS)
Donghee Son: Center for Nanoparticle Research, Institute for Basic Science (IBS)
Yei Hwan Jung: University of Wisconsin-Madison
Min Soh: Center for Nanoparticle Research, Institute for Basic Science (IBS)
Changsoon Choi: Center for Nanoparticle Research, Institute for Basic Science (IBS)
Sungmook Jung: Center for Nanoparticle Research, Institute for Basic Science (IBS)
Kon Chu: Seoul National University Hospital
Daejong Jeon: Seoul National University Hospital
Soon-Tae Lee: Seoul National University Hospital
Ji Hoon Kim: School of Mechanical Engineering, Pusan National University
Seung Hong Choi: Center for Nanoparticle Research, Institute for Basic Science (IBS)
Taeghwan Hyeon: Center for Nanoparticle Research, Institute for Basic Science (IBS)
Dae-Hyeong Kim: Center for Nanoparticle Research, Institute for Basic Science (IBS)

Nature Communications, 2014, vol. 5, issue 1, 1-11

Abstract: Abstract Sensory receptors in human skin transmit a wealth of tactile and thermal signals from external environments to the brain. Despite advances in our understanding of mechano- and thermosensation, replication of these unique sensory characteristics in artificial skin and prosthetics remains challenging. Recent efforts to develop smart prosthetics, which exploit rigid and/or semi-flexible pressure, strain and temperature sensors, provide promising routes for sensor-laden bionic systems, but with limited stretchability, detection range and spatio-temporal resolution. Here we demonstrate smart prosthetic skin instrumented with ultrathin, single crystalline silicon nanoribbon strain, pressure and temperature sensor arrays as well as associated humidity sensors, electroresistive heaters and stretchable multi-electrode arrays for nerve stimulation. This collection of stretchable sensors and actuators facilitate highly localized mechanical and thermal skin-like perception in response to external stimuli, thus providing unique opportunities for emerging classes of prostheses and peripheral nervous system interface technologies.

Date: 2014
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DOI: 10.1038/ncomms6747

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