Journal
NANOTECHNOLOGY
Volume 32, Issue 21, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/abe788
Keywords
strain sensor; graphene; conductive network; stretchability; sensitivity
Funding
- Fundamental Research Funds for the Central Universities [2020XZA206]
- Qianjiang Talent Program of Zhejiang Province [QJC1802009]
- Natural Science Foundation of Zhejiang Province [LQ19C100002]
- MOE (Ministry of Education in China) Project of Humanities and Social Sciences [19YJCZH126]
- 'Double First-Class' Construction Fund of Zhejiang University
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In this study, a graphene-coated silk-spandex fabric strain sensor was developed with high sensitivity and stable performance, enabling successful monitoring of human motion and gesture recognition. This sensor offers a new approach for fabricating low-cost industrial strain sensors for applications such as human movement detection.
Flexible and stretchable sensors are emerging and promising wearable devices for motion monitoring. Manufacturing a flexible and stretchable strain sensor with desirable electromechanical performance and excellent skin compatibility plays an essential role in building a smart wearable system. In this paper, a graphene-coated silk-spandex (GCSS) fabric strain sensor is prepared by reducing graphene oxide. The sensor functions as a result of conductive fiber extending and woven structure deforming. The conductive fabric can be stretched towards 60% with high sensitivity, and its performance remains constant after a 1000-cycle test. Based on its superior performance, the GCSS is successfully employed to detect full-range human movement and provide data for deep learning-based gesture recognition. This work offers a desirable method to fabricate low-cost strain sensors for industrial applications such as human movement detection and advanced information science.
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