Membrane-Based Self-Powered Triboelectric Sensors for Pressure Change Detection and Its Uses in Security Surveillance and Healthcare Monitoring

被引：249

作者：

Bai, Peng ^{[1
,2
]}

Zhu, Guang ^{[2
,3
]}

Jing, Qingshen ^{[2
]}

Yang, Jin ^{[2
]}

Chen, Jun ^{[2
]}

Su, Yuanjie ^{[2
]}

Ma, Jusheng ^{[1
]}

Zhang, Gong ^{[1
]}

Wang, Zhong Lin ^{[2
,3
]}

机构：

[1] Tsinghua Univ, Dept Mech Engn, Beijing 100084, Peoples R China

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

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

来源：

ADVANCED FUNCTIONAL MATERIALS | 2014年 / 24卷 / 37期

关键词：

pressure change sensing; self-powered; triboelectric sensor; ENERGY; NANOGENERATOR; GAS;

D O I：

10.1002/adfm.201401267

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new membrane-based triboelectric sensor (M-TES) is presented as a self-powered pressure change sensor. It generates a voltage induced by surface triboelectric charges in response to an air pressure change. Extremely high detection resolutions of 0.34 Pa and 0.16 Pa are achieved when the air pressure increases and decreases in a small region away from the ambient standard atmosphere pressure, respectively, indicating an excellent sensitivity. By integrating the M-TES with a signal processing unit, we demonstrate practical applications of the device in sensing footsteps, respirations, and heartbeat, which suggests widespread use of the M-TES in fields of security surveillance, chemical engineering, geography research, environment monitoring, and personal healthcare.

引用

页码：5807 / 5813

页数：7

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