材料科学
石墨烯
制作
电子皮肤
响应时间
灵敏度(控制系统)
纳米技术
压力传感器
模块化设计
导电体
光电子学
电子工程
计算机科学
机械工程
复合材料
医学
操作系统
计算机图形学(图像)
工程类
病理
替代医学
作者
Zheng Lou,Shuai Chen,Lili Wang,Kai Jiang,Guozhen Shen
出处
期刊:Nano Energy
[Elsevier]
日期:2016-03-08
卷期号:23: 7-14
被引量:493
标识
DOI:10.1016/j.nanoen.2016.02.053
摘要
Design of pressure sensors with ultra-sensitivity, rapid response speed and long-term stability is a key procedure to fulfill high performance electronic skins. Herein, we report the fabrication of a self-assembled 3D films platform that combines a natural viscoelastic property material P(VDF-TrFe) with an electrically conductive material rGO for the first time. Notably, modular assembly of the rGO-encapsulated P(VDF-TrFe) nanofibers led to the fabrication of a highly sensitive pizeoresistive pressure sensor which exhibited high sensitivity (15.6 kPa−1), low detection limit (1.2 Pa) and working voltage (1 V). The excellent long-term stability under 100,000 cycles and rapid response time of 5 ms at 50 Hz are particularly captivating. Besides, using the simple and versatile procedures, a framework to make integrated sensor array platforms easily can be used as highly sensitive electronic skins for mapping spatial pressure distribution, and monitoring the human physiological signals, including the real-time pulses and muscle movements.
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