Title of article :
Conducting Polymer-Based Cantilever Sensors for Detection Humidity
Author/Authors :
Steffens, Juliana Department of Food Engineering - URI - Campus of Erechim - Erechim - RS, Brazil , Steffens, Clarice Department of Food Engineering - URI - Campus of Erechim - Erechim - RS, Brazil , Brezolin, Alexandra Nava Department of Food Engineering - URI - Campus of Erechim - Erechim - RS, Brazil
Abstract :
Thispaperdescribestheuseofdifferentconductingpolymers(polyaniline,poly(o-ethoxyaniline),andpolypyrrole)asasensitivelayeronasiliconcantileversensor.Themechanicalresponse(deflection)ofthebimaterial(thecoatedcantilever)wasinvestigatedundertheinfluenceofrelativehumidity.Thevariationsinthedeflectionofthecoatedcantileverswhenexposedtorelativehumiditywereevaluated.Theresultsindicatedalinearsensitivityinranges,wherethehighvaluewasobtainedforapolypyrrole-sensitivelayerbetween20and45%ofhumidity.Furthermore,thesensorshowsexcellentperformancealongwithrapidresponseandrecoverytimes,relativelylowhysteresis,andexcellentstability.Thesensorsdevelopedarepotentiallyexcellentmaterialsforsensinglowhumidityforlongtime.
Keywords :
Conducting , Polymer-Based Cantilever Sensors , Detection Humidity
