Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Improved electrophosphorescence efficiency for organic light-emitting diodes using the cohost with stepwise blending profile | |
其他题名 | 论文其他题名 |
Zhu J. Z.; Li W. L.; Chu B.; Yang D. F.; Zhang G. A.; Yan F.; Liu H. H.; Wang J. B.; Wu S. H. | |
2010 | |
发表期刊 | Displays
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ISSN | 0141-9382 |
卷号 | 31期号:3页码:128-131 |
摘要 | A tris(2-phenylpyridine) iridium doped phosphorescent organic light-emitting diode using a mixed host with stepwise blending profile was demonstrated. We adopted the mixture of 4,4',4 ''-tris(N-carbazolyl) triphenylamine and 1,3,5-tris(N-phenylbenzimidazole-2-yl)benzene as the host in the emitting layer. By using a stepwise blending ratio profile of the two host materials, a peak external quantum efficiency of 17.7% and a peak power efficiency of 45.7 Im/W were attained, which increased by 59.5% and 60.9% relative to the optimal uniform blending ratio profile based device, respectively. The efficiency improvement was attributed to the multiple exciton formation interfaces, which could expand the recombination regions. (C) 2010 Elsevier B.V. All rights reserved. |
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/181722/26190 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Zhu J. Z.,Li W. L.,Chu B.,et al. Improved electrophosphorescence efficiency for organic light-emitting diodes using the cohost with stepwise blending profile[J]. Displays,2010,31(3):128-131. |
APA | Zhu J. Z..,Li W. L..,Chu B..,Yang D. F..,Zhang G. A..,...&Wu S. H..(2010).Improved electrophosphorescence efficiency for organic light-emitting diodes using the cohost with stepwise blending profile.Displays,31(3),128-131. |
MLA | Zhu J. Z.,et al."Improved electrophosphorescence efficiency for organic light-emitting diodes using the cohost with stepwise blending profile".Displays 31.3(2010):128-131. |
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