Flexible transparent conductive film based on silver nanowires and reduced graphene oxides

(整期优先)网络出版时间:2018-03-13
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Silvernanowires(AgNWs)withdiameterof90--150nmandlengthof20--50μmweresuccessfullysynthesizedbyapolyolprocess.Grapheneoxide(GO)waspreparedbyHummersmethod,andwasreducedwithstronghydrazinehy-drateatroomtemperature.Theflexibletransparentconductivefilms(TCFs)werefabricatedusingthemixedcelluloseeater(MCE)asmatrixandAgNWsandreducedgrapheneoxide(rGO)asconductivefillersbytheimprovedvacuumfiltrationprocess.Then,theoptical,electricalandmechanicalpropertiesoftheAgNWs-rGOfilmswereinvestigated.TheresultsshowthatfortheAgNWs-rGOfilmproducedwiththedepositiondensitiesofAgNWsandrGOas110mg.m2and55mg·m^-2,theopticaltransmissionat550nmis88.4%withRsaround891Ω·sql,whereastheopti-caltransmissionfortheAgNWs-rGOfilmwithdepositiondensitiesofAgNWsandrGOof385mg·m^-2and55mg·m^-2is79.0%at550nmwithRsaround9.6Ω·sql.ThereislittleovertincreaseinRsoftheAgNWS-rGOfilmaftertapetestsfor200times.ThebendingtestresultsindicatethatthechangeinRsofAgNWs-MCEfilmislessthan2%evenafter200cyclesofcompressiveortensilebending.TheexcellentmechanicalpropertiesoftheAgNWs-rGOfilmcanbeattributedtotheburyingofAgNWsandrGOatthesurfaceofMCE.