Simple and High Efficiency Phosphorescence Organic Light-Emitting Diodes with Codeposited Copper(I) Emitter
文献类型:期刊论文
作者 | Liu, Zhiwei1,3; Qiu, Jacky2; Wei, Feng1; Wang, Jianqiang4; Liu, Xiaochen1; Helander, Michael G.2; Rodney, Sarah3; Wang, Zhibin1,2; Bian, Zuqiang1; Lu, Zhenghong2 |
刊名 | CHEMISTRY OF MATERIALS
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出版日期 | 2014-04-08 |
卷号 | 26期号:7页码:2368-2373 |
ISSN号 | 0897-4756 |
DOI | 10.1021/cm5006086 |
英文摘要 | Phosphorescent copper(I) complexes show great promise as emitters in organic light-emitting diodes (OLEDs). However, most copper(I) complexes are neither soluble nor stable toward sublimation and, hence, not amenable to the typical methods to fabricate OLEDs. In this work, a compound 3-(carbazol-9-yl)-5-((3-carbazol-9-yl)phenyl)pyridine (CPPyC) was designed as both a good ligand and host matrix. Codeposition of CPPyC and copper iodide (Cul) gives luminescent films with photoluminescent quantum yields (PLQY) as high as 100%. A dimeric copper(1) complex Cu2I2(CPPyC)(4) is formed in the thin film, characterized by X-ray absorption spectroscopy. A series of simple, highly efficient green-emitting OLEDs were demonstrated by using the codeposited film as an emissive layer. A device comprised of only CPPyC and Cul gave an external quantum efficiency (EQE) of 12.6% (42.3 cd/A) at 100 cd/m(2), while a device with tailored hole and electron transporting layers gave an efficiency of 15.7% (51.6 cd/A) at the same brightness. |
语种 | 英语 |
WOS记录号 | WOS:000334572300022 |
出版者 | AMER CHEMICAL SOC |
源URL | [http://ir.iccas.ac.cn/handle/121111/51485] ![]() |
专题 | 中国科学院化学研究所 |
通讯作者 | Wang, Zhibin |
作者单位 | 1.Peking Univ, Coll Chem & Mol Engn, BNLMS, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China 2.Univ Toronto, Dept Mat Sci & Engn, Toronto, ON M5S 3E4, Canada 3.Univ So Calif, Dept Chem, Los Angeles, CA 90089 USA 4.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201204, Peoples R China |
推荐引用方式 GB/T 7714 | Liu, Zhiwei,Qiu, Jacky,Wei, Feng,et al. Simple and High Efficiency Phosphorescence Organic Light-Emitting Diodes with Codeposited Copper(I) Emitter[J]. CHEMISTRY OF MATERIALS,2014,26(7):2368-2373. |
APA | Liu, Zhiwei.,Qiu, Jacky.,Wei, Feng.,Wang, Jianqiang.,Liu, Xiaochen.,...&Huang, Chunhui.(2014).Simple and High Efficiency Phosphorescence Organic Light-Emitting Diodes with Codeposited Copper(I) Emitter.CHEMISTRY OF MATERIALS,26(7),2368-2373. |
MLA | Liu, Zhiwei,et al."Simple and High Efficiency Phosphorescence Organic Light-Emitting Diodes with Codeposited Copper(I) Emitter".CHEMISTRY OF MATERIALS 26.7(2014):2368-2373. |
入库方式: OAI收割
来源:化学研究所
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