材料科学
标度系数
碳纳米管
纳米技术
可穿戴计算机
可穿戴技术
天然橡胶
导电体
运动检测
灵敏度(控制系统)
人体运动
复合材料
光电子学
计算机科学
电子工程
嵌入式系统
制作
人工智能
病理
工程类
运动(物理)
替代医学
医学
作者
Mengzhuan Lin,Zhongjie Zheng,Yang Li,Mingshan Luo,Lihua Fu,Baofeng Lin,Chuanhui Xu
标识
DOI:10.1002/adma.202107309
摘要
Recently, flexible wearable electronic devices have attracted immense interest as an alternative for conventional rigid metallic conductors in personal healthcare monitoring, human motion detection, and sensory skins, owing to their intrinsic characteristics. However, the practical applications of most wearable sensors are generally limited by their poor stretchability and sensitivity, unsatisfactory strength, lower conductivity, and single sensory function. Here a hydrogen bond cross-linked network based on carboxylic styrene butadiene rubber (XSBR) and hydrophilic sericin (SS) non-covalently modified carbon nanotubes (CNTs) is rationally designed and then fabricated into multi-functional sensors. The resultant versatile sensors are able to detect both weak and large deformations, which owns a low detection limit of 1% strain, high stretchability up to 217%, superior strength of 12.58 MPa, high sensitivity with a gauge factor up to 25.98, high conductivity of 0.071 S m-1 , and lower percolation threshold of 0.504 wt%. Moreover, the prepared sensors also possess an impressively thermal response (0.01636 °C-1 ) and realize the application in the measurement of human body temperature. The multifunctional and scalable XSBR/SSCNT sensor with the integrated tracking capabilities of real-time and in situ physiological signals, providing a promising route to develop wearable artificial intelligence in human health and sporting applications.
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