材料科学
光电子学
可穿戴计算机
信号(编程语言)
弹性体
光纤传感器
光纤
光子学
光子晶体光纤
纤维
人体运动
拉伤
导电体
声学
光学
复合材料
计算机科学
运动(物理)
医学
内科学
物理
人工智能
嵌入式系统
程序设计语言
作者
Ruolan Zhao,Yue He,Yu He,Zhangcheng Li,Min Chen,Ning Zhou,Guangming Tao,Chong Hou
标识
DOI:10.1021/acsami.3c00419
摘要
As an important component of wearable and stretchable strain sensors, dual-mode strain sensors can respond to deformation via optical/electrical dual-signal changes, which have important applications in human motion monitoring. However, realizing a fiber-shaped dual-mode strain sensor that can work stably in real life remains a challenge. Here, we design an interactive dual-mode fiber strain sensor with both mechanochromic and mechanoelectrical functions that can be applied to a variety of different environments. The dual-mode fiber is produced by coating a transparent elastic conductive layer onto photonic fiber composed of silica particles and elastic rubber. The sensor has visualized dynamic color change, a large strain range (0–80%), and a high sensitivity (1.90). Compared to other dual-mode strain sensors based on the photonic elastomer, our sensor exhibits a significant advantage in strain range. Most importantly, it can achieve reversible and stable optical/electrical dual-signal outputs in response to strain under various environmental conditions. As a wearable portable device, the dual-mode fiber strain sensor can be used for real-time monitoring of human motion, realizing the direct interaction between users and devices, and is expected to be used in fields such as smart wearable, human–machine interactions, and health monitoring.
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