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1、第25卷第5期无机化学学报Vol．25No．52009年5月CHINESEJOURNALOFINORGANICCHEMISTRY828~8324,4,4-三氟-1-(4′-邻三联苯基)-1,3-丁二酮邻菲咯啉铕髥配合物的合成及发光刘生桂＊,1龚孟濂2石晓波1曾木兰11湛江师范学院化学科学与技术学院，广东高校新材料工程技术开发中心，湛江524048)(2中山大学化学与化学工程学院，广州510275)(摘要：合成了一个新配合物EuL3phen，[HL=4,4,4-三氟-1-(4′-邻三联苯基)-1,3-丁二酮，phen=邻菲咯啉]。该化合物在半导体InGaN芯片发出的近紫外光激
2、发下能够发出铕髥离子特征红光,发光量子效率为9%。将配合物EuL3phen和半导体395nm发射InGaN芯片组合，成功地制备了红色发光二极管。在配合物和硅胶质量比为1∶25时，器件色坐标为x=0.6123,y=0.3128，光效为0.68lm·W-1。关键词：铕配合物；化学合成；发光；发光二极管中图分类号：O614.33+8文献标识码：A文章编号：1001-4861(2009)05-0828-05SynthesisandLuminescenceofEu髥ComplexBasedon4,4,4-Trifluoro-1-(4′-o-terphenyl)-1,3-butaned
3、ioneand1,10-Phenanthroline＊,1211LIUSheng-GuiGONGMeng-LianSHIXiao-BoZENGMu-Lan(1SchoolofChemistryScienceandTechnology,ZhanjiangNormalUniversity,DevelopmentCenterforNewMaterialsEngineering&TechnologyinUniversitiesofGuangdong,Zhanjiang,Guangdong524048)(2SchoolofChemistryandChemicalEngineering
4、,SunYat-SenUniversity,Guangzhou510275)Abstract:Aneweuropium髥complex,EuL3phen,[HL=4,4,4-trifluoro-1-(4′-o-terphenyl)-1,3-butanedione,phen=3+1,10-phenanthroline]wassynthesized.ThecomplexshowsredemissionofEuionsundernearultraviolet(NUV)InGaNchipemissionlightwithaquantumyieldof9%.Redluminescen
5、tLEDswerefabricatedbyassemblyofEuL3phenand395nm-emittingInGaNchips.Whenthemassratioofthecomplextothesiliconeis1∶25,thechromaticitycoordinatesisx=0.6113,y=0.3125,andtheefficiencyofthefabricatedLEDwiththeeuropiumcomplex-1achieves0.68lm·W.Keywords:europiumcomplex;chemicalsynthesis;luminescenc
6、e;LEDs3+3+[3]TherehasbeenanincreasingdemandforwhiteCe-dopedyttriumaluminumgarnet(YAG∶Ce).lightbasedlightingemittingdiodes(LEDs)aspotentialHowever,suchwhiteLEDshowslowcolor-render-replacementfortheincandescentbulbsandfluorescentingindex,lowcolorreproducibilityandlowluminous[1,2][4]lamps.Int
7、hepastyears,whiteLEDswereobtainedefficiencybecauseofthelackofredlightcomponent.mainlybycombiningan465nmblue-emittingInGaNItisdifficulttofindstablered-emittingphosphorsex-chipwithabroad-bandyellow-emittingphosphor,e.g.,citedbybluelight.收稿日期：2008-12-25。收修改稿日期：20
