Porous PDMS force sensitive resistors

M.G. King, A.J. Baragwanath, M.C. Rosamond, David Wood, Andrew Gallant, J Brugger, D Briand

    Research output: Contribution to journalArticlepeer-review

    45 Citations (Scopus)
    30 Downloads (Pure)

    Abstract

    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 kW to 100 W 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.
    Original languageEnglish
    Pages (from-to)568-571
    Number of pages4
    JournalProcedia chemistry.
    Volume1
    Issue number1
    DOIs
    Publication statusPublished - 1 Sept 2009

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 9 - Industry, Innovation, and Infrastructure
      SDG 9 Industry, Innovation, and Infrastructure

    Keywords

    • PDMS
    • Force sensitive resistors
    • Microfabrication
    • Porous scaffold

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