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Title: Self-powered pressure sensor for ultra-wide range pressure detection
Authors: Parida, Kaushik
Bhavanasi, Venkateswarlu
Kumar, Vipin
Bendi, Ramaraju
Lee, Pooi See
Keywords: Science::Chemistry
Issue Date: 2017
Source: Parida, K., Bhavanasi, V., Kumar, V., Bendi, R., & Lee, P. S. (2017). Self-powered pressure sensor for ultra-wide range pressure detection. Nano Research, 10, 3557–3570. doi:10.1007/s12274-017-1567-6
Project: NRF‐NRFI2016‐05
Journal: Nano Research
Abstract: The next generation of sensors should be self-powered, maintenance-free, precise, and have wide-ranging sensing abilities. Despite extensive research and development in the field of pressure sensors, the sensitivity of most pressure sensors declines significantly at higher pressures, such that they are not able to detect a wide range of pressures with a uniformly high sensitivity. In this work, we demonstrate a single-electrode triboelectric pressure sensor, which can detect a wide range of pressures from 0.05 to 600 kPa with a high degree of sensitivity across the entire range by utilizing the synergistic effects of the piezoelectric polarization and triboelectric surface charges of self-polarized polyvinyldifluoride-trifluoroethylene (P(VDF-TrFE)) sponge. Taking into account both this wide pressure range and the sensitivity, this device exhibits the best performance relative to that of previously reported self-powered pressure sensors. This achievement facilitates wide-range pressure detection for a broad spectrum of applications, ranging from simple human touch, sensor networks, smart robotics, and sports applications, thus paving the way forward for the realization of next-generation sensing devices. Moreover, this work addresses the critical issue of saturation pressure in triboelectric nanogenerators and provides insights into the role of the surface charge on a piezoelectric polymer when used in a triboelectric nanogenerator.
ISSN: 1998-0124
DOI: 10.1007/s12274-017-1567-6
Rights: © 2017 Tsinghua University Press and Springer‐Verlag Berlin Heidelberg. All rights reserved. This paper was published in Nano Research and is made available with permission of Tsinghua University Press and Springer‐Verlag Berlin Heidelberg.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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