欢迎来到天天文库
浏览记录
ID:52390454
大小:419.34 KB
页数:7页
时间:2020-03-27
《苯基取代聚苯撑乙烯的合成及其电致发光性能.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、物理化学学报(WuliHuaxueXuebao)1188Acta.一Chim.Sin.2011,27(5),1188-1194May【Article】www.whxb.pku.edu.cn苯基取代聚苯撑乙烯的合成及其电致发光性能莫越奇’,常学义胡苏军。韩绍虎。吴宏滨。,彭俊彪。(华南理工大学材料科学与工程学院,广州510640;广州砺剑光电材料科技有限公司,广州510730;华南理工大学高分子光电材料及器件研究所,广州510640)摘要:聚苯撑乙烯(PPV)类聚合物是优异的发光材料,有望作为全色显示中三基色的材料之一得到应用.我们采用2一
2、溴一1,4一亚二甲苯二乙酯为原料。合成了商品名为SupperYellowPPV(SYPPV)的苯基取代PPV.中间体、单体和聚合物的结构都通过核磁共振、元素分析进行了表征.SYPPV的吸收峰在434nm,吸收边在510nm,带隙2.44eV.光致发光峰值和电致发光峰值分别在516和552am.SYPPV的器件性能为:启动电压为2。4、,'最大亮度大于49000cd·m~,最大流明效率为21cd·A~,显著优于采用老方法合成SYPPV的最大流明效率(16—18cd·A).关键词:聚苯撑乙烯:苯基取代聚苯撑乙烯:绿色发光聚合物:聚合物发光二极
3、管:电致发光中图分类号:0644SynthesisandElectroluminescentPropertiesofPhenyl-SubstitutedPoIy(phenyIeneVinyIene)MOYue.QiI,CHANGXue.YiHUSu.Jun。HANShao.Hu。WUHong—Bin。-PENGJun—Biao。(KeyLaboratoryofSpecialFunctionalMaterials,SouthChinaUniversityofTechnology,Guangzhou510640,PR.China;Canton
4、OledkingOptoelectronicMaterialsCo.,Ltd.,Guangzhou510730,PR.China;3InstituteofPolymerOptoelectronicMaterialsandDevices,SouthChinaUniversityofTechnology,Guangzhou510640,R.China)Abstract:P0Iy(phenyIenevinylene)(PPV)isoneofthemostefficientelectroluminescentconjugatedpolymersa
5、ndhasthepotentiaItobecommercializedasimportantcomponentsinfull-colorflatpaneldisplays.Here.wereportanalternativesyntheticroutetothecommerciallyavailablePPVderivativeSuperYellowPPV(SYPPV)using2.bromo.1,4.xylylenediacetateasanovelstartingmate-ria1.Theintermediates,monomers,
6、andthepolymerwerefullycharacterizedbynuclearmagneticresonance(NMR)andelementalanalysis.TheSYPPVfilmshowsanabsorptionmaximumat434nmandanabsorptiononsetat510nmwithanopticalbandgapofca2.44eV.ThephotoluminescentandelectroluminescentmaximumofSYPPVarearound516and552nm.respectiv
7、ely.TheSYPPVobtainedviathisnewsyntheticrouteexhibitsimprovedelectroluminescentproperties。aturnonvoltageofover2.4、,,aluminancemaximumexceeding49000cd·m~,andamaximumluminousefficiency(LE)0f21cd·AcomparedwiththeSYPPVpreparedbythetraditionalroutef16—18cd·A。).KeyWords:POIyphen
8、yIeneVinylene:Phenyl—substitutedpOIyphenyleneVinyIene:Greenlightemi~ingpolymer;Polymerlight—emit
此文档下载收益归作者所有