A highly sensitive graphene woven fabric strain sensor for wearable wireless musical instruments

Xu Liu; Chen Tang; Xiaohan Du; Shuai Xiong; Siyuan Xi; Yuefeng Liu; Xi Shen; Qingbin Zheng; Zhenyu Wang; Ying Wu; Andrew Horner; Jang-Kyo Kim

doi:10.1039/C7MH00104E

A highly sensitive graphene woven fabric strain sensor for wearable wireless musical instruments†

Xu Liu,^a Chen Tang,^a Xiaohan Du,^a Shuai Xiong,^a Siyuan Xi,^a Yuefeng Liu,^a Xi Shen,^a Qingbin Zheng,*^ab Zhenyu Wang,^a Ying Wu,^a Andrew Horner^c and Jang-Kyo Kim

*^a

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* Corresponding authors

^a Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
E-mail: mejkkim@ust.hk
Fax: +852 2358 1543

^b Institute for Advanced Study, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong
E-mail: mezheng@ust.hk

^c Department of Computer Science and Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong

Abstract

Highly flexible and sensitive strain sensors are essential components of wearable electronic devices. Herein, we present a novel graphene woven fabric (GWF)/polydimethylsiloxane (PDMS) composite as a highly flexible, sensitive strain sensor capable of detecting feeble human motions with an extremely high piezoresistive gauge factor of 223 at a strain of 3% and excellent durability. A wireless wearable musical instrument prototype made of the composite sensor demonstrates conversion of human motions to music of different instruments and sounds.

Materials Horizons

A highly sensitive graphene woven fabric strain sensor for wearable wireless musical instruments†

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