Organic Light-Emitting Device Based on Terbium Complex
来源期刊：JOURNAL OF RARE EARTHS2005年第2期
论文作者：Xu Denghui Wang Ruifen Xiao Jing Xu Ying Deng Zhenbo
Key words：terbium complex; electroluminescence; excition; energy transfer; rare earths;
Abstract: A new rare earth complex Tb(p-MBA)3phen was synthesized, which is first used as an emitting material in organic electroluminescence. By doping it into the conjugated polymer PVK, single-layer and double-layer devices were fabricated with structures: device 1: ITO/PVK∶ Tb(p-MBA)3phen/Al; device 2∶ ITO/PVK: Tb(p-MBA)3phen/AlQ/LiF/Al. The characteristics of these devices have been investigated. The emission of PVK is completely restrained, and only the pure green emission from Tb3+ can be observed in electroluminescence. The optimized device 2 has better monochromatic characteristics with the maximal brightness of 152 cd · m-2 at the voltage of 20 V.
Xu Denghui1，Wang Ruifen2，Xiao Jing1，Xu Ying1，Deng Zhenbo1
(1.Institute of Optoelectronic Technology, Key Laboratory of Information Storage and Display, Beijing Jiaotong University, Beijing 100044, China;
2.Department of Chemistry, Hebei Normal University, Shijiazhuang 050091, China)
Abstract:A new rare earth complex Tb(p-MBA)3phen was synthesized, which is first used as an emitting material in organic electroluminescence. By doping it into the conjugated polymer PVK, single-layer and double-layer devices were fabricated with structures: device 1: ITO/PVK∶ Tb(p-MBA)3phen/Al; device 2∶ ITO/PVK: Tb(p-MBA)3phen/AlQ/LiF/Al. The characteristics of these devices have been investigated. The emission of PVK is completely restrained, and only the pure green emission from Tb3+ can be observed in electroluminescence. The optimized device 2 has better monochromatic characteristics with the maximal brightness of 152 cd · m-2 at the voltage of 20 V.
Key words:terbium complex; electroluminescence; excition; energy transfer; rare earths;
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