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Air-Stable Ultrabright Inverted Organic Light-Emitting Devices with Metal Ion-Chelated Polymer Injection Layer by Shihao Liu; Chunxiu Zang; Jiaming Zhang; Shuang Tian; Yan Wu; Dong Shen; Letian Zhang; Wenfa Xie; Chun-Sing Lee is a Engineering article available to read on EtoBox.
What is Air-Stable Ultrabright Inverted Organic Light-Emitting Devices with Metal Ion-Chelated Polymer Injection Layer about?
## Abstract Here, this work presents an air-stable ultrabright inverted organic light-emitting device (OLED) by using zinc ion-chelated polyethylenimine (PEI) as electron injection layer. The zinc chelation is demonstrated to increase the conductivity of the PEI by three orders of magnitude and passivate the polar amine groups. With these physicochemical properties, the inverted OLED shows a record-high external quantum efficiency of 10.0% at a high brightness of 45,610 cd m^−2^ and can deliver a maximum brightness of 121,865 cd m^−2^. Besides, the inverted OLED is also demonstrated to possess an excellent air stability (humidity, 35%) with a half-brightness operating time of 541 h @ 1000 cd m^−2^ without any protection nor encapsulation.
Who reads Air-Stable Ultrabright Inverted Organic Light-Emitting Devices with Metal Ion-Chelated Polymer Injection Layer?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Shihao Liu; Chunxiu Zang; Jiaming Zhang; Shuang Tian; Yan Wu; Dong Shen; Letian Zhang; Wenfa Xie; Chun-Sing Lee
- Publisher
- Springer Science and Business Media LLC
- Published
- 2021
- Language
- EN
- Field
- Engineering (Physical Sciences)