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Issue 23, 2011
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Strongly enhanced sensitivity in elastic capacitive strain sensors

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Abstract

Strain sensors based on dielectric elastomer capacitors function by the direct coupling of mechanical deformations with the capacitance. The coupling can be improved by enhancing the relative permittivity of the dielectric elastomer. Here, this is carried out through the grafting of conducting polymer (poly-aniline) to the elastomer backbone, leading to molecular composites. An enhancement in capacitance response of 46 times is observed. This could help to extend the possible range of miniaturization towards even smaller device features.

Graphical abstract: Strongly enhanced sensitivity in elastic capacitive strain sensors

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Publication details

The article was received on 04 Nov 2010, accepted on 12 Jan 2011 and first published on 24 Jan 2011


Article type: Communication
DOI: 10.1039/C0JM03786A
Citation: J. Mater. Chem., 2011,21, 8292-8294
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    Strongly enhanced sensitivity in elastic capacitive strain sensors

    M. Kollosche, H. Stoyanov, S. Laflamme and G. Kofod, J. Mater. Chem., 2011, 21, 8292
    DOI: 10.1039/C0JM03786A

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