High-Performance All-Polymer White-Light-Emitting Diodes Using Polyfluorene Containing Phosphonate Groups as an Efficient Electron-Injection Layer
文献类型：期刊论文
| 作者 | Zhang, Baohua1,2; Qin, Chuanjiang1; Ding, Junqiao1; Chen, Lei2; Xie, Zhiyuan1; Cheng, Yanxiang1; Wang, Lixiang1 |
| 刊名 | ADVANCED FUNCTIONAL MATERIALS
 |
| 出版日期 | 2010-09-09 |
| 卷号 | 20期号:17页码:2951-2957 |
| ISSN号 | 1616-301X |
| DOI | 10.1002/adfm.201000538 |
| 英文摘要 | We report an efficient non-doped all-polymer polymer white-light-emitting diode (PWLED) with a fluorescent three-color, white single polymer as an emissive layer, an ethanol-soluble phosphonate-functionalized polyfluorene (PF-EP) as an electron-injection/electron-transport layer, and LiF/Al as a cathode, respectively. The all-polymer PWLED achieves a peak external quantum efficiency of 6.7%, a forward viewing luminous efficiency of 15.4 cd A(-1) and a power efficiency of 11.4 lm W(-1), respectively, at a brightness of 347 cd m(-2) with Commission Internationale d'Eclairage coordinates of (0.37, 0.42) and color rendering index of 85, which is the best results among the non-doped PWLEDs. Moreover, this kind of PWLED not only shows excellent color stability, but also achieves high brightness at low voltages. The brightness reaches 1000, 10000, and 46830 cd m(-2) at voltages of 4.5, 5.4, and 7.5 V, respectively. The significant enhancement of white-single-polymer-based PWLEDs with PF-EP/LiF/Al to replace for the commonly used Ca/Al cathode is attributed to the more efficient electron injection at PF-EP/LiF/Al interfaces, and the coordinated protecting effect of PF-EP from diffusion of Al atoms into the emissive layer and exciton-quenching near cathode interfaces. The developed highly efficient non-doped all-polymer PWLEDs are well suitable for solution-processing technology and provide a huge potential of low-cost large-area manufacturing for PWLEDs. |
| 语种 | 英语 |
| WOS记录号 | WOS:000282288600023 |
| 出版者 | WILEY-V C H VERLAG GMBH |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/70285]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Zhang, Baohua |
| 作者单位 | 1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Baohua,Qin, Chuanjiang,Ding, Junqiao,et al. High-Performance All-Polymer White-Light-Emitting Diodes Using Polyfluorene Containing Phosphonate Groups as an Efficient Electron-Injection Layer[J]. ADVANCED FUNCTIONAL MATERIALS,2010,20(17):2951-2957. |
| APA | Zhang, Baohua.,Qin, Chuanjiang.,Ding, Junqiao.,Chen, Lei.,Xie, Zhiyuan.,...&Wang, Lixiang.(2010).High-Performance All-Polymer White-Light-Emitting Diodes Using Polyfluorene Containing Phosphonate Groups as an Efficient Electron-Injection Layer.ADVANCED FUNCTIONAL MATERIALS,20(17),2951-2957. |
| MLA | Zhang, Baohua,et al."High-Performance All-Polymer White-Light-Emitting Diodes Using Polyfluorene Containing Phosphonate Groups as an Efficient Electron-Injection Layer".ADVANCED FUNCTIONAL MATERIALS 20.17(2010):2951-2957. |
入库方式： OAI收割
来源：化学研究所
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