聚二甲基硅氧烷
材料科学
压阻效应
压力传感器
灵敏度(控制系统)
动态范围
响应时间
可穿戴计算机
检出限
极限(数学)
光电子学
声学
电子皮肤
聚酰亚胺
宽动态范围
纳米技术
计算机科学
电子工程
机械工程
嵌入式系统
物理
计算机图形学(图像)
工程类
数学分析
统计
数学
图层(电子)
计算机视觉
作者
Ming Chen,Kun Li,Guanming Cheng,Ke He,Weiwei Li,Daoshu Zhang,Weimin Liu,Yang Feng,Lei Wei,Wenjie Li,Guo‐Hua Zhong,Chunlei Yang
标识
DOI:10.1021/acsami.8b20284
摘要
Wearable pressure sensors with high sensitivity, broad dynamic response range, and low detection limit are highly desirable to enable the applications in electronic skins and soft robotics. In this work, we report a high-performance wearable pressure sensor based on microstructured polydimethylsiloxane (PDMS)/Ag and rough polyimide/Au interdigital electrodes. By tailoring the touchpoints, the resulting pressure sensors show ultrahigh sensitivity (259.32 kPa–1 in the range of 0–2.5 kPa), broad dynamic response range (0–54 kPa), fast response (∼200 μs), and low detection limit (0.36 Pa). Furthermore, the effect of different sensor structural configurations, PDMS geometrical feature, and Ag thickness on the performance of the pressure sensors are systematically investigated. Thanks to these merits, the fabricated pressure sensor is capable of real-time monitoring pulse wave and can act as artificial skin for robot hand to detect weak pressure changes, leading to the great application promise in the fields of biomedical, real-time health monitoring, and intelligent robot.
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