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1、MaterialsLetters59(2005)1061–1065www.elsevier.com/locate/matletElectrosynthesesoffreestandingandconductingpolyselenophenefilmsShouzhiPua,JianHoub,JingkunXua,b,*,GuangmingNieb,baaShushengZhang,LiangShen,QiangXiaoaJiangxikeylaboratoryofOrganicChemistry,JiangxiScienceandTechnologyNormalUnivers
2、ity,Nanchang,330013,PRChinabDepartmentofChemistryandMolecularEngineering,QingdaoUniversityofScienceandTechnology,Qingdao,266042,PRChinaReceived6July2004;receivedinrevisedform30November2004;accepted2December2004Availableonline27December2004Abstract1High-qualityfreestandingpolyselenophene(PS
3、e)filmswithconductivityashighas2.810S/cmwereelectrochemicallydepositedonstainlesssteelelectrodefromdistilledborontrifluoridediethyletherate(BFEE)containing20mMselenophene.As-formedpolymerfilmswerehomogenousandflexibleandcouldbeeasilycutintovariousdesiredshapes.Tothebestofourknowledge,thisi
4、sthefirstcaseforthepreparationofhigh-qualityPSefilms.D2004ElsevierB.V.Allrightsreserved.Keywords:Conductingpolymers;Polyselenophene;Freestandingfilm;Electronicmaterials;Borontrifluoridediethyletherate1.Introductionnamedpolythiopheneparadoxappeared[5].Thefinalaimoffurtherreducingtheoxidation
5、potentialofthemonomersThepursuitofhigh-qualityconductingpolymerfilmsisandconsequentlythebandgapofthecorrespondingstilloneofthemaingoalsintheresearchanddevelopmentpolymersisachallengingresearchfield.Thereweretwoofinherentlyconductingpolymers,duetotheirpotentialapproachesreportedintheliteratu
6、retoreducethemono-applicationsinrechargeablebatteries,electrochromicdis-mers’oxidationpotentialsandimprovepolymerfilms’playdevices,supercapacitors,antistaticcoating,biosensors,quality.Oneisthesubstitutiononh-positionofthiopheneetc.Electro-oxidativepolymerizationofheterocycleswithring[6–8]wi
7、threlativelylowbandgapbysubstitutionofconcurrentpolymerfilmdepositionhasbeenproventobeelectrondonatinggroups.Theotherisreplacementofanespeciallyusefulmethodforthepreparationofelectro-commonorganicmediawithmiddlestrongLewisacid,activeandconductingpolymerf