Skin-inspired highly stretchable and conformable matrix networks for multifunctional sensing

Qilin Hua, Junlu Sun, Haitao Liu, Rongrong Bao (), Ruomeng Yu, Junyi Zhai, Caofeng Pan () and Zhong Lin Wang ()
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Qilin Hua: Chinese Academy of Sciences
Junlu Sun: Chinese Academy of Sciences
Haitao Liu: Chinese Academy of Sciences
Rongrong Bao: Chinese Academy of Sciences
Ruomeng Yu: Georgia Institute of Technology
Junyi Zhai: Chinese Academy of Sciences
Caofeng Pan: Chinese Academy of Sciences
Zhong Lin Wang: Chinese Academy of Sciences

Nature Communications, 2018, vol. 9, issue 1, 1-11

Abstract: Abstract Mechanosensation electronics (or Electronic skin, e-skin) consists of mechanically flexible and stretchable sensor networks that can detect and quantify various stimuli to mimic the human somatosensory system, with the sensations of touch, heat/cold, and pain in skin through various sensory receptors and neural pathways. Here we present a skin-inspired highly stretchable and conformable matrix network (SCMN) that successfully expands the e-skin sensing functionality including but not limited to temperature, in-plane strain, humidity, light, magnetic field, pressure, and proximity. The actualized specific expandable sensor units integrated on a structured polyimide network, potentially in three-dimensional (3D) integration scheme, can also fulfill simultaneous multi-stimulus sensing and achieve an adjustable sensing range and large-area expandability. We further construct a personalized intelligent prosthesis and demonstrate its use in real-time spatial pressure mapping and temperature estimation. Looking forward, this SCMN has broader applications in humanoid robotics, new prosthetics, human–machine interfaces, and health-monitoring technologies.

Date: 2018
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DOI: 10.1038/s41467-017-02685-9

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