Issue 76, 2017, Issue in Progress
From the journal:

RSC Advances

Improving the performance and stability of flexible pressure sensors with an air gap structure†

Xiongbang Wei, ORCID logo *a   Lun Xiao,a   Wen Huang,b   Jiaxuan Liaoc  and  Zhi David Chen ORCID logo ad  

* Corresponding authors

a School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu, China
E-mail: weixiongbang@uestc.edu.cn

b State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, China

c School of Energy Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China

d Department of Electrical & Computer Engineering, Center for Nanoscale Science & Engineering, University of Kentucky, Lexington, Kentucky 40506, USA

Abstract

A highly sensitive flexible resistive pressure sensor based on an air gap structure was presented. The flexible pressure sensor consists of two face to face polydimethylsiloxane (PDMS) films covered with carbon nanotubes (CNTs). The pressure sensor with a 230 μm thickness air gap has relatively high sensitivity (58.9 kPa−1 in the range of 1–5 Pa, 0.66 kPa−1 in the range of 5–100 Pa), low detectable pressure limit (1 Pa), and a short response time (less than 1 s). The test results showed that the pressure sensor with an appropriate air gap has excellent pressure sensitive performance and application potential.

Graphical abstract: Improving the performance and stability of flexible pressure sensors with an air gap structure

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Article information

DOI
https://doi.org/10.1039/C7RA09392F
Article type
Paper
Submitted
24 Aug 2017
Accepted
10 Oct 2017
First published
16 Oct 2017
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2017,7, 48354-48359

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Improving the performance and stability of flexible pressure sensors with an air gap structure

X. Wei, L. Xiao, W. Huang, J. Liao and Z. D. Chen, RSC Adv., 2017, 7, 48354 DOI: 10.1039/C7RA09392F

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