基于聚二甲基硅氧烷柔性可穿戴传感器研究进展

Research Progress in Flexible Wearable Strain Sensors Based on Polydimethylsiloxane

传统的电子应变传感器大多基于金属和半导体材料,其柔韧性和可穿戴特性较差。随着柔性电子材料的发展,可穿戴式柔性应变传感器呈现出巨大的市场前景。由于其具有生物相容性好同时兼具可穿戴性、高弹性和可拉伸性等特点逐渐成为研究热点。本文对近些年基于聚二甲基硅氧烷(PDMS)的压阻式和电容式柔性传感器的先进制备技术、性能及应用方面的研究进展进行了综述。最后对可穿戴式柔性传感器所面临的挑战做了简单讨论,并对其未来的发展方向进行了展望。

Traditional electronic strain sensors based on metal and semiconductor materials have poor flexibility and wear-ability,which are not applicable for stretchable sensors.With the development of flexible electronic materials,wearable electronic devices show great market prospects.Flexible strain sensors have many unique advantages,such as good biocompatibility,wearable,stretchability and elasticity,which become a hotspot of research.The research progress is the preparation technology,performance and application of PDMS based piezoresistive and capacitive flexible strain sensors were summarized in this paper.Finally,challenges,important directions and perspectives related to PDMS flexible strain sensors were prospected.