DCJTB掺杂浓度对OLED器件性能的影响(英文)  

Effects of DCJCB Doping Concentration on Performances of Organic Light-Emitting Diodes

作　　者：刘丁菡[1] 张方辉[1] 牟强[1] 

机构地区：[1]陕西科技大学电气与信息工程学院,陕西西安710021

出　　处：《液晶与显示》2010年第5期672-677,共6页Chinese Journal of Liquid Crystals and Displays

基　　金：浙江省温州市科技计划项目(No.H20080004);陕西省教育厅专项科研项目(No.07JK191);陕西科技大学科研启动基金(No.BJ09-07)

摘　　要：通过在发光层ADN∶TBPe∶DCJTB中改变DCJTB的掺杂浓度,得到了一种高效的白光OLED器件。考察了同一掺杂浓度TBPe下不同浓度的DCJTB的器件性能,发现当DCJTB掺杂浓度为1%(质量分数)时,器件获得最大电流效率6.6cd/A和最大功率效率3.21lm/W,此时亮度为10520cd/m2,对应的CIE坐标为(0.3186,0.3520)。通过改变DCJTB浓度,能够获得不同的器件颜色。A highly efficient white organic light-emitting device could be achieved by changing doping concentration in the emissive layer of the device containing 9,10-di-（2-naph-thyl）anthracene（ADN）,2,5,8,11-tetra-butyl-perylene（TBPe）and 4-（Dicyanomethylene）-2-t-butyl6-（1,1,7,7-tetramethylj-ulolidy1-9-enyl）-4H-pyran（DCJTB）.By examining the device characteristics of uniformly doped devices with varying dopant concentration,it is found that the device with the doping concentration（mass fraction）of 1% DCJTB gains the maximum current（ηL）and power（ηP）efficiencies,which are 6.6cd/A and 3.21lm/W at luminance of 10 520cd/m2 with CIE coordinates of（0.318 6,0.352 0）.The different color of devices can be obtained by changing doping concentration of DCJTB.

关 键 词：有机电致发光 DCJTB 掺杂剂 亮度 

分 类 号：TN383.1[电子电信—物理电子学]