A skin-attachable, stretchable integrated system based on liquid GaInSn for wireless human motion monitoring with multi-site sensing capabilities

Yu Ra Jeong; Jeonghyun Kim; Zhaoqian Xie; Yeguang Xue; Sang Min Won; Geumbee Lee; Sang Woo Jin; Soo Yeong Hong; Xue Feng; Yonggang Huang; John A. Rogers; Jeong Sook Ha

doi:10.1038/am.2017.189

A skin-attachable, stretchable integrated system based on liquid GaInSn for wireless human motion monitoring with multi-site sensing capabilities

Yu Ra Jeong, Jeonghyun Kim, Zhaoqian Xie, Yeguang Xue, Sang Min Won, Geumbee Lee, Sang Woo Jin, Soo Yeong Hong, Xue Feng, Yonggang Huang, John A. Rogers, Jeong Sook Ha

Department of Chemical and Biological Engineering

Research output: Contribution to journal › Article › peer-review

235 Citations (Scopus)

Abstract

This paper introduces a liquid-metal integrated system that combines soft electronics materials and engineering designs with advanced near-field-communication (NFC) functionality for human motion sensing. All of the active components, that is, strain sensor, antenna and interconnections, in this device are made of liquid metal, and the device has unique gel-like characteristics and stretchability. Patterning procedures based on selective wetting properties of the reduced GaInSn enable a skin-attachable, miniaturized layout, in which the diameter of the device is less than 2 cm. Electromechanical characterization of the strain sensor and antenna reveals their behaviors under large uniaxial tensile and compressive strains, as well as more complex modes of deformation. Demonstrations of these devices involve their use in monitoring various human motions in a purely wireless fashion; examples include wrist flexion, movements of the vocal cord and finger motion. This simple platform has potential for use in human-machine interfaces for prosthetic control and other applications.

Original language	English
Article number	e443
Journal	NPG Asia Materials
Volume	9
Issue number	10
DOIs	https://doi.org/10.1038/am.2017.189
Publication status	Published - 2017

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korean government (MEST) (Grant No. NRF-2016R1A2A1A05004935). We also thank the KU-KIST graduate school program of Korea University. Author contributions: YRJ, JK and ZX contributed equally to this work. Conceptualization, YRJ, JK, JSH and JAR; Methodology, YRJ, JK, SMW, GL, SWJ, SYH; Formal analysis, YRJ, ZX, YX, XF, YH; Investigation, YRJ, JK; All the authors contributed to interpretation of the results and writing of the manuscript. JAR and JSH supervised the work.

ASJC Scopus subject areas

Modelling and Simulation
General Materials Science
Condensed Matter Physics

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10.1038/am.2017.189

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title = "A skin-attachable, stretchable integrated system based on liquid GaInSn for wireless human motion monitoring with multi-site sensing capabilities",

abstract = "This paper introduces a liquid-metal integrated system that combines soft electronics materials and engineering designs with advanced near-field-communication (NFC) functionality for human motion sensing. All of the active components, that is, strain sensor, antenna and interconnections, in this device are made of liquid metal, and the device has unique gel-like characteristics and stretchability. Patterning procedures based on selective wetting properties of the reduced GaInSn enable a skin-attachable, miniaturized layout, in which the diameter of the device is less than 2 cm. Electromechanical characterization of the strain sensor and antenna reveals their behaviors under large uniaxial tensile and compressive strains, as well as more complex modes of deformation. Demonstrations of these devices involve their use in monitoring various human motions in a purely wireless fashion; examples include wrist flexion, movements of the vocal cord and finger motion. This simple platform has potential for use in human-machine interfaces for prosthetic control and other applications.",

author = "Jeong, {Yu Ra} and Jeonghyun Kim and Zhaoqian Xie and Yeguang Xue and Won, {Sang Min} and Geumbee Lee and Jin, {Sang Woo} and Hong, {Soo Yeong} and Xue Feng and Yonggang Huang and Rogers, {John A.} and Ha, {Jeong Sook}",

note = "Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korean government (MEST) (Grant No. NRF-2016R1A2A1A05004935). We also thank the KU-KIST graduate school program of Korea University. Author contributions: YRJ, JK and ZX contributed equally to this work. Conceptualization, YRJ, JK, JSH and JAR; Methodology, YRJ, JK, SMW, GL, SWJ, SYH; Formal analysis, YRJ, ZX, YX, XF, YH; Investigation, YRJ, JK; All the authors contributed to interpretation of the results and writing of the manuscript. JAR and JSH supervised the work.",

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AU - Xue, Yeguang

AU - Won, Sang Min

AU - Lee, Geumbee

AU - Jin, Sang Woo

AU - Hong, Soo Yeong

AU - Feng, Xue

AU - Huang, Yonggang

AU - Rogers, John A.

AU - Ha, Jeong Sook

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A skin-attachable, stretchable integrated system based on liquid GaInSn for wireless human motion monitoring with multi-site sensing capabilities

Abstract

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