Please use this identifier to cite or link to this item: https://hdl.handle.net/1822/22665

TitlePiezoresistive effect in spin-coated polyaniline thin films
Author(s)Pereira, J. Nunes
Vieira, P.
Ferreira, A.
Paleo, A. J.
Rocha, J. G.
Lanceros-Méndez, S.
KeywordsPiezoresistive sensor
Conductive polymer
Polyaniline
Issue date2012
PublisherSpringer
JournalJournal of Polymer Research
Abstract(s)Polymeric materials have been replacing other materials in various applications, from structural to electronic components. In particular, since the discovery of conducting polymers, the use of these materials is growing up in the manufacture of electronic components, such as organic light-emitting diodes, organic electrodes, energy storage devices and artificial muscles, among many others. On the other hand, examples of sensors of conductive polymers based on the piezoresistive effect with large potential for applications are not sufficiently investigated. This investigation reports on the piezoresistive effect of an intrinsically conductive polymer, polyaniline, which was prepared in the form of thin films by spin coating on polyethylene terephthalate substrates. The relationship between the electrical response and mechanical solicitations is presented for different preparation conditions. The values of the gauge factor ranges from 10 to 22 for different samples and demonstrates the viability of these materials as piezoresistive sensors.
TypeArticle
URIhttps://hdl.handle.net/1822/22665
DOI10.1007/s10965-011-9815-z
ISSN1022-9760
1572-8935
Peer-Reviewedyes
AccessRestricted access (UMinho)
Appears in Collections:CDF - FCD - Artigos/Papers (with refereeing)

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