Ink-jet printing technique in polymer/carbon black sensing device fabrication

Here we report on ink-jet manufactured chemical sensors based on polymer-carbon black composites. Both sensing elements and electrical contacts have been made by ink-jet on alumina substrates. Filler dispersions, films morphology, electrical properties and time stability of devices have been investi...

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Bibliographic Details
Published in:Sensors and actuators. B, Chemical Chemical, 2009-12, Vol.143 (1), p.421-429
Main Authors: Loffredo, F., Mauro, A. De Girolamo Del, Burrasca, G., La Ferrara, V., Quercia, L., Massera, E., Di Francia, G., Sala, D. Della
Format: Article
Language:English
Subjects:
Casting
Chemical sensor
Ink-jet
Polymer/carbon black
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Summary:Here we report on ink-jet manufactured chemical sensors based on polymer-carbon black composites. Both sensing elements and electrical contacts have been made by ink-jet on alumina substrates. Filler dispersions, films morphology, electrical properties and time stability of devices have been investigated. Sensors have been tested at increasing acetone and toluene concentrations in air at room temperature. Their behaviour is compared to devices whose electric contacts have been made by a photolithographic process and the sensing film deposited by casting or ink-jet.
ISSN:0925-4005
1873-3077
DOI:10.1016/j.snb.2009.09.024