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Updated: Jan 26, 2026

Synthesis and Microdiffraction at Extreme Pressures and Temperatures
Published on: October 7, 2013
High-Performance Pressure Sensor for Monitoring Mechanical Vibration and Air Pressure
Yancheng Meng1,2, Hongwei Li3, Kunjie Wu4
1School of Nano-Technology and Nano-Bionics, University of Science and Technology of China, Hefei 230026, China. ycmeng2015@sinano.ac.cn.
Abstract:
To realize the practical applications of flexible pressure sensors, the high performance (sensitivity and response time) as well as more functionalities are highly desired. In this work, we fabricated a piezoresistive pressure sensor based on the micro-structured composites films of multi-walled carbon nanotubes (MWCNTs) and poly (dimethylsiloxane) (PDMS). In addition, we establish efficient strategies to improve key performance of our pressure sensor. Its sensitivity is improved up to 474.13 kPa-1 by minimizing pressure independent resistance of sensor, and response time is shorten as small as 2 μs by enhancing the elastic modulus of polymer elastomer. Benefiting from the high performance, the functionalities of sensors are successfully extended to the accurate detection of high frequency mechanical vibration (~300 Hz) and large range of air pressure (6⁻101 kPa), both of which are not achieved before.
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