期刊
JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷 56, 期 19, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1361-6463/acc1f2
关键词
strain sensor; MXene; wearable electronics; health monitoring; thermal management
A wearable flexible strain sensor with a three-dimensional conductive network has been developed for healthcare monitoring and thermal management. It has a low strain detection capacity (0.05% strain) and high sensitivity (gauge factor up to 9472), making it suitable for precise health monitoring of human physiological movements. Additionally, the sensor provides exceptional electric heating and optothermal effect to protect human health in extremely cold environments.
Flexible electronic devices have received increasing attention due to their potential applications in wearable human motion and healthcare monitoring and thermal management. Nevertheless, flexible electronic devices for more precise health monitoring of human physiological movement under low strain are still a pressing issue to solve. Herein, a wearable flexible strain sensor with a three-dimensional (3D) conductive network is developed for healthcare monitoring and thermal management by embedding silver nanowires (AgNWs) and Ti3C2T (x) MXene composite films into a polydimethylsiloxane matrix. The sensor can be utilized for human health monitoring, pulse detection at the wrist, and breathing monitoring of human physiological movement due to its low strain detection capacity (0.05% strain) and high sensitivity (gauge factor up to 9472). The primary detection range of the sensor is 0%-1% of tiny strains. Moreover, the exceptional electric heating and optothermal effect supported by the AgNWs and MXene protects human health in extremely cold environments. The MXene/AgNW strain sensor with high sensitivity under low strain has great potential for more precise health monitoring of human physiological movements and thermal management.
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