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Recent Advances in Flexible Piezoresistive Arrays: Materials, Design, and Applications

Polymers, 2023-06, Vol.15 (12), p.2699 [Peer Reviewed Journal]

COPYRIGHT 2023 MDPI AG ;2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;2023 by the authors. 2023 ;ISSN: 2073-4360 ;EISSN: 2073-4360 ;DOI: 10.3390/polym15122699 ;PMID: 37376345

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  • Title:
    Recent Advances in Flexible Piezoresistive Arrays: Materials, Design, and Applications
  • Author: Xu, Shuoyan ; Xu, Zigan ; Li, Ding ; Cui, Tianrui ; Li, Xin ; Yang, Yi ; Liu, Houfang ; Ren, Tianling
  • Subjects: Arrays ; Bionics ; Book publishing ; Business metrics ; Carbon ; Composite materials ; Electrodes ; flexible array ; healthcare ; human-interactive system ; Interactive systems ; Nanoparticles ; Perception ; piezoresistive sensor ; Polymers ; Pressure distribution ; pressure sensor ; Pressure sensors ; Review ; Robots ; Sensor arrays ; Sensors ; Spatial distribution ; Strain gauges ; Tactile discrimination ; Viscoelasticity
  • Is Part Of: Polymers, 2023-06, Vol.15 (12), p.2699
  • Description: Spatial distribution perception has become an important trend for flexible pressure sensors, which endows wearable health devices, bionic robots, and human-machine interactive interfaces (HMI) with more precise tactile perception capabilities. Flexible pressure sensor arrays can monitor and extract abundant health information to assist in medical detection and diagnosis. Bionic robots and HMI with higher tactile perception abilities will maximize the freedom of human hands. Flexible arrays based on piezoresistive mechanisms have been extensively researched due to the high performance of pressure-sensing properties and simple readout principles. This review summarizes multiple considerations in the design of flexible piezoresistive arrays and recent advances in their development. First, frequently used piezoresistive materials and microstructures are introduced in which various strategies to improve sensor performance are presented. Second, pressure sensor arrays with spatial distribution perception capability are discussed emphatically. Crosstalk is a particular concern for sensor arrays, where mechanical and electrical sources of crosstalk issues and the corresponding solutions are highlighted. Third, several processing methods are also introduced, classified as printing, field-assisted and laser-assisted fabrication. Next, the representative application works of flexible piezoresistive arrays are provided, including human-interactive systems, healthcare devices, and some other scenarios. Finally, outlooks on the development of piezoresistive arrays are given.
  • Publisher: Switzerland: MDPI AG
  • Language: English
  • Identifier: ISSN: 2073-4360
    EISSN: 2073-4360
    DOI: 10.3390/polym15122699
    PMID: 37376345
  • Source: Freely Accessible Journals
    PubMed Central (Open access)
    ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
    DOAJ Directory of Open Access Journals
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