Reduced efficiency roll-off in highly efficient and color-stable hybrid WOLEDs: The influence of triplet transfer and charge-transport behavior on enhancing device performance
文献类型：期刊论文
| 作者 | Wang, Qi1; Ho, Cheuk-Lam2,3; Zhao, Yongbiao1; Ma, Dongge1; Wong, Wai-Yeung2,3; Wang, Lixiang1 |
| 刊名 | ORGANIC ELECTRONICS
 |
| 出版日期 | 2010-02-01 |
| 卷号 | 11期号:2页码:238-246 |
| 关键词 | Triplet Emission Iridium Complexes White Light Carbazole Organic Light-emitting Diodes |
| ISSN号 | 1566-1199 |
| DOI | 10.1016/j.orgel.2009.11.001 |
| 英文摘要 | By wisely utilizing combinations of exciton-managed orange-phosphorescence/sky blue fluorescence, we report on high-efficiency white organic light-emitting diodes (WOLEDs) with high color-stability together with reduced efficiency roll-off. Two WOLEDs with the peak current efficiencies of 34.5 and 42.5 cd A (1) which slightly shift to 34.2 and 40.0 cd A (1) at 1000 cd m (2) are demonstrated. Systematic investigations focused on the effects of hole-injection buffer layer, thickness of emitting-layer (EML) and the stepwise-doping profile of orange phosphorescent EML on the device performance have been performed. It is evidently shown that careful management of the triplet/singlet excitons and charge-carriers is key to realizing such high performance of the devices. The results will beyond doubt be helpful to the design of both material and device structure for high-performance WOLEDs and next-generation solid-state lighting sources. (C) 2009 Elsevier B.V. All rights reserved. |
| 语种 | 英语 |
| WOS记录号 | WOS:000274583200010 |
| 出版者 | ELSEVIER SCIENCE BV |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/69937]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Ma, Dongge |
| 作者单位 | 1.Chinese Acad Sci, Changchun Inst Appl Chem, Grad Sch, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China 2.Hong Kong Baptist Univ, Dept Chem, Kowloon Tong, Hong Kong, Peoples R China 3.Hong Kong Baptist Univ, Ctr Adv Luminescence Mat, Kowloon Tong, Hong Kong, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Qi,Ho, Cheuk-Lam,Zhao, Yongbiao,et al. Reduced efficiency roll-off in highly efficient and color-stable hybrid WOLEDs: The influence of triplet transfer and charge-transport behavior on enhancing device performance[J]. ORGANIC ELECTRONICS,2010,11(2):238-246. |
| APA | Wang, Qi,Ho, Cheuk-Lam,Zhao, Yongbiao,Ma, Dongge,Wong, Wai-Yeung,&Wang, Lixiang.(2010).Reduced efficiency roll-off in highly efficient and color-stable hybrid WOLEDs: The influence of triplet transfer and charge-transport behavior on enhancing device performance.ORGANIC ELECTRONICS,11(2),238-246. |
| MLA | Wang, Qi,et al."Reduced efficiency roll-off in highly efficient and color-stable hybrid WOLEDs: The influence of triplet transfer and charge-transport behavior on enhancing device performance".ORGANIC ELECTRONICS 11.2(2010):238-246. |
入库方式： OAI收割
来源：化学研究所
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