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加CdS薄层的白色有机电致发光器件色度的优化
引用本文:姜文龙,孙继芳,路莹,田小翠,刘姊君,常喜.加CdS薄层的白色有机电致发光器件色度的优化[J].吉林师范大学学报(自然科学版),2014(2):15-18.
作者姓名:姜文龙  孙继芳  路莹  田小翠  刘姊君  常喜
作者单位:吉林师范大学信息技术学院,吉林四平136000
基金项目:国家自然科学基金青年基金项目(10804036); 吉林省科技发展计划项目(20100510,20101512,201215221); 吉林省教育厅“十二五”科研计划项目([2011]第154号,[2012]第175号,[2012]第176号); 吉林师范大学研究生创新计划(2013032)
摘    要:文章讨论了利用蓝色磷光小分子铱配合物iridium(III)bis-(4',6'-difluorophenylpyridinato)tetrakis(1-pyrazolyl)borate(Fir6)]与黄色荧光染料Rubrene复合发光产生白光的设想.通过引入CdS薄层而增加电子注入,利用结构为ITO/2-TNATA/NPB/Rubrene/CBP/CBP:Fir6/CBP/Bphen/CdS/LiF/Al的器件,通过增加激子阻挡层CBP,获得了色度较好的白色有机电致发光器件.当两层激子阻挡层CBP厚度均为3 nm时,电压从启亮电压3.4 V开始至9 V为止,器件的色坐标从(0.36,0.36)变化到(0.32,0.31),使器件的色度获得了很好的改善.

关 键 词:CdS薄层  有机电致磷光白光器件  电子注入  色度

Improving the Color of Woled with CdS Thin Layer
JIANG Wen-long,SUN Ji-fang,LU Ying,TIAN Xiao-cui,LIU Zi-jun,CHANG Xi.Improving the Color of Woled with CdS Thin Layer[J].Jilin Normal University Journal(Natural Science Edition),2014(2):15-18.
Authors:JIANG Wen-long  SUN Ji-fang  LU Ying  TIAN Xiao-cui  LIU Zi-jun  CHANG Xi
Affiliation:( College of Information and Technology, Jilin Normal University, Siping 136000, China)
Abstract:This paper discussed the idea about the production of white light vision using the blue phosphorescent iridium(iridium(ⅲ) bis-(4',6'-difluorophenylpyridinato) tetrakis(1-pyrazolyl) borate,Fir6) complexes with small molecules yellow fluorescent dye rubrene recombination. A better chromaticity of white organic electroluminesecent device with the structure of ITO/2-TNATA/NPB/Rubrene/CBP/CBP: Fir6/CBP/Bphen/CdS/LiF/Al was obtained by introducting the CdS thin layer to increase the electron injection and changing the thickness of the exciton blocking layer CBP. When the two exciton blocking layer thickness of CBP were 3 nm, the device got a well improvement. And the device color coordinates changed from(0. 36,0. 36) to(0. 32, 0. 31) when the voltage started from 3. 4 V to 9 V.
Keywords:CdS thin layer  phosphorescent white organic light-emitting devices  electron injection  chroma
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