Ultrasensitive self-powered pressure sensing system

被引：78

作者：

Luo, Jianjun ^{[1
]}

Fan, Feng Ru ^{[1
,2
]}

Zhou, Tao ^{[1
]}

Tang, Wei ^{[1
]}

Xue, Fei ^{[1
]}

Wang, Zhong Lin ^{[1
,3
]}

机构：

[1] Chinese Acad Sci, Beijing Inst Nanoenergy & Nanosyst, Beijing 100083, Peoples R China

[2] Xiamen Univ, Collaborat Innovat Ctr Chem Energy Mat, Coll Chem & Chem Engn, Xiamen 361005, Peoples R China

[3] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA

来源：

EXTREME MECHANICS LETTERS | 2015年 / 2卷

基金：

中国国家自然科学基金;

关键词：

Self-powered electronics; Pressure sensors; Triboelectric nanogenerator; Sensor integrations; Portable electronics;

D O I：

10.1016/j.eml.2015.01.008

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Portable and flexible pressure sensors with highly sensitive and small size have great potential applications in areas such as wearable electronics, environmental monitoring, and medical equipment. Here, we demonstrate an integrated self-powered pressure sensing system made of a passive resistive pressure sensor and a triboelectric nanogenerator. Based on wrinkled and flexible polydimethylsiloxane films, the whole device is of sandwich structure with ultrahigh sensitivity to pressure (204.4 kPa-1), which is more than one order of magnitude higher than all previously reported flexible pressure sensors. And our system exhibits a very low detection limit, rapid response time, and long-term stability. In addition, we built a self-powered, portable visualization system for semi-quantitative analysis of pressure, which can directly convert a pressure information to visual display. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：28 / 36

页数：9

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