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1、SubscriberaccessprovidedbyBEIJINGUNIVOFCHEMICALTECHArticleSynthesisandCharacterizationofLuminescentPolyfluorenesIncorporatingSide-Chain-TetheredPolyhedralOligomericSilsesquioxaneUnitsChia-HungChou,So-LinHsu,K.Dinakaran,Mao-YuanChiu,andKung-HwaWeiMacromolecules,2005,38(3),745-751?DOI:1
2、0.1021/ma0479520?PublicationDate(Web):13January2005Downloadedfromhttp://pubs.acs.orgonMarch4,2009MoreAboutThisArticleAdditionalresourcesandfeaturesassociatedwiththisarticleareavailablewithintheHTMLversion:?SupportingInformation?Linkstothe7articlesthatcitethisarticle,asofthetimeofthisa
3、rticledownload?Accesstohighresolutionfigures?Linkstoarticlesandcontentrelatedtothisarticle?Copyrightpermissiontoreproducefiguresand/ortextfromthisarticleMacromoleculesispublishedbytheAmericanChemicalSociety.1155SixteenthStreetN.W.,Washington,DC20036Macromolecules2005,38,745-751745Synt
4、hesisandCharacterizationofLuminescentPolyfluorenesIncorporatingSide-Chain-TetheredPolyhedralOligomericSilsesquioxaneUnitsChia-HungChou,So-LinHsu,K.Dinakaran,Mao-YuanChiu,andKung-HwaWei*DepartmentofMaterialsScienceandEngineering,NationalChiaoTungUniversity,Hsinchu,Taiwan30049R.O.C.Rece
5、ivedOctober4,2004;RevisedManuscriptReceivedNovember8,2004ABSTRACT:UsingSuzukipolycondensation,wehavesynthesizedpolyhedralsilsesquioxane-tetheredpolyfluorenecopolymers,poly(9,9￠-dioctylfluorene-co-9,9￠-bis[4-(N,N-dipolysilsesquioxane)aminophenyl]-fluorene)(PFO)POSS),thathavewell-define
6、darchitectures.ThisparticularPFO)POSSmoleculararchitectureincreasesthequantumyieldofpolyfluorenesignificantlybyreducingthedegreeofinterchainaggregation;inaddition,thesecopolymersexhibitapurerandstrongerbluelightbypreventingtheformationofketodefects.Introductionasthemolecularweightofth
7、epolymerincreases,whichlimitstheamountofPOSSthatcanbeattached(ca.Semiconductingpolymershavebeenstudiedexten-1.2%).Anotherstudyinvolvedasynthesisofabridgedsivelyfortheirpotentialapplicationsinelectrolumines-centdisplays,1solarcells,2andthinfilmorganictran-polyfluorenecopolymerbyusingfl
8、uoren
