Enhanced Electron Injection into Inverted Polymer Light-Emitting Diodes by Combined Solution-Processed Zinc Oxide/Polyethylenimine Inter layers

被引：146
|
作者：
Hoefle, Stefan [1 ]
Schienle, Alexander [1 ]
Bruns, Michael [2 ,3 ]
Lemmer, Uli [1 ,4 ]
Colsmann, Alexander [1 ]
机构：
[1] Karlsruhe Inst Technol, Light Technol Inst, D-76131 Karlsruhe, Germany
[2] Karlsruhe Inst Technol, Inst Appl Mat, D-76344 Eggenstein Leopoldshafen, Germany
[3] Karlsruhe Inst Technol, KNMF, D-76344 Eggenstein Leopoldshafen, Germany
[4] Karlsruhe Inst Technol, Inst Microstruct Technol, D-76344 Eggenstein Leopoldshafen, Germany
来源：
ADVANCED MATERIALS | 2014年 / 26卷 / 17期
关键词：
organic light emitting diode; solution processing; inverted device architecture; zinc oxide; transparent; INDIUM-TIN OXIDE; SOLAR-CELLS; SURFACE-PROPERTIES; BUFFER LAYERS; ITO; FUNCTIONALIZATION; ACIDS;
D O I：
10.1002/adma.201304666
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Inverted device architectures for organic light-emitting diodes (OLEDs) require suitable interfaces or buffer layers to enhance electron injection from highwork-function transparent electrodes. A solution-processable combination of ZnO and PEI is reported, that facilitates electron injection and enables efficient and air-stable inverted devices. Replacing the metal anode by highly conductive polymers enables transparent OLEDs. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：2750 / 2754
页数：5
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