Investigation of novel efficient electron injection lithium complex containing quinoxaline moiety for organic light-emitting diodes

被引：0
|
作者：
Li, Yang [1 ]
Zhang, Deqiang [1 ]
Duan, Lian [1 ]
Zhang, Rui [1 ]
Wang, Liduo [1 ]
Qiao, Juan [1 ]
Qiu, Yong [1 ]
机构：
[1] Department of Chemistry, Tsinghua University, Ministry of Education, Beijing 100084, China
来源：
Japanese Journal of Applied Physics, Part 2: Letters | 2006年 / 45卷 / 46-50期
关键词：
An efficient cathode structure for organic light-emitting diodes (OLEDs) using Al together with a 2,3-diphenyl-5-hydroxyquinoxalinolato lithium (LiDPQX) interlayer has been demonstrated. The electron injection ability of LiDPQX is superior to that of LiF at a low driving current owing to the high energy level match between the emitting layer and LiDPQX. A mechanism involving a chemical reaction between Al and LiDPQX, and the self-doping of LiDPQX was proposed and proved by quantum computation. © 2006 The Japan Society of Applied Physics;
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