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Micromachines 2018, 9(11), 580;

Recent Developments for Flexible Pressure Sensors: A Review

1,2,†, 1,2,†, 1,2, 1,2, 1,2, 3,* and 1,2,*
School of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing 102600, China
Beijing Engineering Research Center of Printed Electronics, Beijing 102600, China
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Received: 5 September 2018 / Revised: 26 October 2018 / Accepted: 2 November 2018 / Published: 7 November 2018
(This article belongs to the Section A:Physics)
PDF [2822 KB, uploaded 8 November 2018]


Flexible pressure sensors are attracting great interest from researchers and are widely applied in various new electronic equipment because of their distinct characteristics with high flexibility, high sensitivity, and light weight; examples include electronic skin (E-skin) and wearable flexible sensing devices. This review summarizes the research progress of flexible pressure sensors, including three kinds of transduction mechanisms and their respective research developments, and applications in the fields of E-skin and wearable devices. Furthermore, the challenges and development trends of E-skin and wearable flexible sensors are also briefly discussed. Challenges of developing high extensibility, high sensitivity, and flexible multi-function equipment still exist at present. Exploring new sensing mechanisms, seeking new functional materials, and developing novel integration technology of flexible devices will be the key directions in the sensors field in future. View Full-Text
Keywords: flexible pressure sensor; transduction mechanism; e-skin; wearable sensors; sensibility flexible pressure sensor; transduction mechanism; e-skin; wearable sensors; sensibility

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Xu, F.; Li, X.; Shi, Y.; Li, L.; Wang, W.; He, L.; Liu, R. Recent Developments for Flexible Pressure Sensors: A Review. Micromachines 2018, 9, 580.

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