Porous PDMS force sensitive resistors

King, M. G., Baragwanath, Adam, Rosamond, Mark, Wood, David and Gallant, Andrew (2009) Porous PDMS force sensitive resistors. Procedia Chemistry, 1 (1). pp. 568-571. ISSN 1876-6196

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Official URL: https://doi.org/10.1016/j.proche.2009.07.142


Here we present an elastomeric force sensitive resistor (FSR) made from a porous matrix of polydimethylsiloxane (PDMS) filled with carbon black. The fabrication process is based on the use of a low cost sacrificial sugar cube scaffold which leads to a highly porous and compressible material. By filling this porous matrix with carbon black we can achieve typical resistance changes from 20 kΩ to 100 Ω for an applied 95% compressive strain. This material is suitable for a wide variety of sensing applications which include tactile artificial skin for robotics and solvent detection.

Item Type: Article
Uncontrolled Keywords: PDMS, force sensitive resistors, microfabrication, porous scaffold
Subjects: H900 Others in Engineering
Department: Faculties > Engineering and Environment > Geography and Environmental Sciences
Depositing User: Becky Skoyles
Date Deposited: 17 Apr 2018 10:38
Last Modified: 01 Aug 2021 12:30
URI: http://nrl.northumbria.ac.uk/id/eprint/34003

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