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Enhanced efficiency and reduced roll-off in nondoped phosphorescent organic light-emitting devices with triplet multiple quantum well structures
其他题名论文其他题名
Liu S. M.; Li B.; Zhang L. M.; Song H.; Jiang H.
2010
发表期刊Applied Physics Letters
ISSN0003-6951
卷号97期号:8
摘要Highly efficient nondoped phosphorescent organic light-emitting devices (NPOLEDs) with triplet multiple quantum well structures are fabricated by using 4,4'-N,N'-dicarbazole-biphenyl and an iridium(III) complex as the potential barrier layer and the potential well layer/light-emitting layer, respectively. Remarkably, such NPOLED with an optimized device configuration achieves reduced current efficiency roll-off, which slightly decreases from its peak value of 31.5 cd/A at 19.8 mA/cm(2) to 29.2 cd/A at 100 mA/cm(2). We attribute this improvement to the efficient triplet exciton confinement effect and the suppression of triplet-triplet annihilation which occurs via single-step long range (Forster-type) energy transfer between excited molecules. (C) 2010 American Institute of Physics. [doi:10.1063/1.3483131]
收录类别SCI ; EI
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/26163
专题中科院长春光机所知识产出
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Liu S. M.,Li B.,Zhang L. M.,et al. Enhanced efficiency and reduced roll-off in nondoped phosphorescent organic light-emitting devices with triplet multiple quantum well structures[J]. Applied Physics Letters,2010,97(8).
APA Liu S. M.,Li B.,Zhang L. M.,Song H.,&Jiang H..(2010).Enhanced efficiency and reduced roll-off in nondoped phosphorescent organic light-emitting devices with triplet multiple quantum well structures.Applied Physics Letters,97(8).
MLA Liu S. M.,et al."Enhanced efficiency and reduced roll-off in nondoped phosphorescent organic light-emitting devices with triplet multiple quantum well structures".Applied Physics Letters 97.8(2010).
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