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Highly efficient and spectra stable warm white organic light-emitting diodes by the application of exciplex as the excitons adjustment layer

文献类型：期刊论文

作者Li, Wenlian1; Wang, Hua3; Xue, Lin2; Chen, Liuqing3; Zhao, Bo3; Zhang, Heng3; Liu, Zemei3; Wang, Ziqi3
刊名ORGANIC ELECTRONICS
出版日期2018-11-01
卷号62页码:157-162
关键词WOLEDs Exciplex EAL Adjustment layer Stable spectra
ISSN号1566-1199
DOI10.1016/j.orgel.2018.07.030
通讯作者Zhao, Bo(zhaobo01@tyut.edu.cn) ; Chen, Liuqing(chenliuqing@tyut.edu.cn) ; Xue, Lin(xpw896@163.com)
英文摘要We aim to simplify the device structure due to the low concentration precision and repeatability of white organic light-emitting diodes (WOLEDs) based on exciplex host with phosphorescent dopant. Two layers of exciplex used here play the role of blue emitter and excitons adjustment layer, respectively, to manage the excitons. Green and red phosphorescent ultrathin layer are inserted into exciplex layer to form white light-emitting. The maximum efficiency values of current efficiency, power efficiency and EQE reach to 38.8 cd/A, 34.9 lm/W and 15.3%, and remain 29.7 cd/A, 20.4 lm/W and 11.6% at 1000 cd/m(2), respectively. Besides, the change of Commission Internationale de I'Eclairage coordinates is only (0.024, 0.013) with the enhanced driving voltages from 4 V to 6 V. Such a high performance of warm WOLEDs with simple structure demonstrates the reasonable excitons management and efficient energy transfer from exciplex and excitons adjustment layer to ultrathin phosphorescent emitters.
WOS关键词ACTIVATED DELAYED FLUORESCENCE ; COLOR-RENDERING INDEX ; ROLL-OFF ; QUANTUM EFFICIENCY ; POWER EFFICIENCY ; ENERGY-TRANSFER ; BLUE EXCIPLEX ; FORMING HOST ; DEVICES ; OLEDS
资助项目National Natural Science Foundation of China[61605137] ; National Natural Science Foundation of China[61605138] ; National Natural Science Foundation of China[61705156] ; National Natural Science Foundation of China[61775155] ; National Natural Science Foundation of China[61704118] ; Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi (STIP)[2016134]
WOS研究方向Materials Science ; Physics
语种英语
WOS记录号WOS:000450625700022
出版者ELSEVIER SCIENCE BV
资助机构National Natural Science Foundation of China ; Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi (STIP)
源URL[http://ir.ciomp.ac.cn/handle/181722/60314]  
专题中国科学院长春光学精密机械与物理研究所
通讯作者Xue, Lin; Chen, Liuqing; Zhao, Bo
作者单位1.Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Luminescence & Applicat, Changchun 130033, Jilin, Peoples R China
2.Taiyuan Univ Technol, Coll Phys & Optoelect, Taiyuan 030024, Shanxi, Peoples R China
3.Taiyuan Univ Technol, Res Ctr Adv Mat Sci & Technol, Minist Educ, Key Lab Interface Sci & Engn Adv Mat, Taiyuan 030024, Shanxi, Peoples R China
推荐引用方式
GB/T 7714		 Li, Wenlian,Wang, Hua,Xue, Lin,et al. Highly efficient and spectra stable warm white organic light-emitting diodes by the application of exciplex as the excitons adjustment layer[J]. ORGANIC ELECTRONICS,2018,62:157-162.
APA Li, Wenlian.,Wang, Hua.,Xue, Lin.,Chen, Liuqing.,Zhao, Bo.,...&Wang, Ziqi.(2018).Highly efficient and spectra stable warm white organic light-emitting diodes by the application of exciplex as the excitons adjustment layer.ORGANIC ELECTRONICS,62,157-162.
MLA Li, Wenlian,et al."Highly efficient and spectra stable warm white organic light-emitting diodes by the application of exciplex as the excitons adjustment layer".ORGANIC ELECTRONICS 62(2018):157-162.

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来源：长春光学精密机械与物理研究所

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