SYNTHESIS OF SOLUBLE POLY(3-HEXYL-2,5-THIENYLENE VINYLENE) FROM THIOPHENE-中国期刊网

摘要 Solublepoly(3-hexyl-2,5-thienylenevinylene)(PHTV)wasreadilysynthesizedfromthiopheneinayieldbetterthanthatoftheprecursormethodtopreparepoly(thienylenevinylene)(PTV).Thebandgapofthepolymerisabout1.8eV,whichiscomparablewiththatofPTV.Owingtotheintroductionofalkylsidegroupsontothebackboneofthepolymer,itcanbedissolvedincommonorganicsolventssuchaschloroform,THFandtoluene.ThesynthesisofsolublePHTVisaveryimportantapproachtopreventingoxidationandtoimprovingthepropertiesandtheprocessbilityofthePTV.TheexistenceofalkylsidegroupsinPHTVdoesnotaffectits,bandgapandthermalpropertiesascomparedwithPTV.AfterdopingwithFeCl3,theconductivityofPHTVisashighas1.1×10-2S/cm.ThesolublePHTVcanbeeasilytransformedintothinfilmwithmuchbetterqualitythanthatofthePTVfilmpreparedbythetraditionalprecursormethod,whichisveryimportantforfabricatingdeviceswithgoodproperties.

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SYNTHESIS OF SOLUBLE POLY(3-HEXYL-2,5-THIENYLENE VINYLENE) FROM THIOPHENE

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SYNTHESIS OF SOLUBLE POLY(3-HEXYL-2,5-THIENYLENE VINYLENE) FROM THIOPHENE

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