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1、TheThermal-ElectricalPropertiesofPolyvinylAlcohol/AgNO3FilmsSenLiang,JianfengYang,XiaoZhang,YuBaiStateKeyLaboratoryforMechanicalBehaviorofMaterials,Xi’anJiaotongUniversity,Xi’an710049,ChinaReceived3June2010;accepted27December2010DOI10.1002/app.34060Publishedonline11M
2、ay2011inWileyOnlineLibrary(wileyonlinelibrary.com).ABSTRACT:Inthisarticle,onecasttechniquetofabri-weregeneratedduringtheheattreatmentprocess,andthecate20–40wt%AgNO3-dopedpolyvinylalcohol(PVA)contentofAgparticlesincreasedwithincreasingthetem-compositefilmsofwhichelect
3、ricalresistancesharplyperature.TheresistivityofPVA/AgNO3filmsdecreaseddropped(4–5order)inacertaintemperaturerangewaswithincreasingthetemperature.Andasharpdecreasereported.Thephase,structurethermal,andelectricalresis-appearedat155–165Cduetothegenerationandcontacttivi
4、typropertiesoffilmsatdifferentheattreatmenttem-ofamassofAgparticlesatthistemperature.Thethermal-peratureswerestudiedbyX-raydiffraction(XRD),electricalresultssuggestedtheapplicabilityofthesemate-scanningelectricalmicroscopy(SEM)anddifferentialscan-rialsintemperaturese
5、nsor,forexample,criticaltempera-ningcalorimetry(DSC).Theresultsshowedthatallthetureresistorthermistor.VC2011WileyPeriodicals,Inc.JApplAgNO3(20–40wt%)dopedPVAfilmspresentedanexo-PolymSci122:813–818,2011thermicpeakat182C.Andthetemperatureofexothermicpeakkeptconstantfo
6、rvariouscontentsofAgNO3.Mean-Keywords:electricalresistivity;thermal;polyvinylwhile,thephasecompositionofthefilmswasgreatlyalcohol;AgNO3affectedbytheheattreatmenttemperature.AgparticlesINTRODUCTIONRecently,severalreportshaveproposedapolymerpreparedbysilvernitratemixed
7、withPVA.TheResearchershavepaidmuchattentiontopolymerspointofthesereportsattemptedtocreatenanopar-inanattempttosynthesizeorganicpolymersalter-1ticlesonmorphologysuchasproducingone-dimen-natetoconventionalinorganicmaterials.Theintro-sionalnanostructuredmetalmaterial,co
8、ntrollingtheductionofmetalnanoparticlesintopolymer,canbeshapesandparticlesizesofnoblemetalnano-achievedeitherbyelectrospinningpolym
