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Authors:
Elena Laukhina
Vladimir Laukhin
Victor Lebedev
Concepció Rovira
Jaume Veciana
Keywords: piezoresistive covering; flexible, biocompatible pressure sensors; organic molecular metal; pressure testing
Abstract:
The article reports a promising approach to engineering biocompatible and highly piezoresistive membrane for flexible weightless transparent pressure sensors. The developed membrane is based on a bi layer (BL) film composing a polycarbonate (PC) matrix “self-metallized” with a highly piezoresistive organic molecular metal. The key role of the matrix thickness in the enhancement of the pressure sensitivity of BL film-based membranes was shown. The presented approach permits engineering biocompatible all-organic membranes with pressure sensitivity being of 8 /mmHg. To determine restrictions for BL films applications in biomedical high-tech, the effect of the body temperature on membrane piezoresitive properties was studied. The pressure tests at 26 oC, 33 oC and 40 oC showed that the body temperature does not significantly influence on the membrane pressure sensitivity. Therefore this type of membrane sensors is able to take the place of conventional metal-based strain and pressure gages in monitoring biomedical high-tech.
Pages: 75 to 80
Copyright: Copyright (c) IARIA, 2011
Publication date: August 21, 2011
Published in: conference
ISSN: 2308-3514
ISBN: 978-1-61208-145-8
Location: Nice/Saint Laurent du Var, France
Dates: from August 21, 2011 to August 27, 2011