Organic Light-Emitting Device Based on Terbium Complex

稀土学报(英文版), 2005, 23(2): 153-156.

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1.Institute of Optoelectronic Technology, Key Laboratory of Information Storage and Display, Beijing Jiaotong University, Beijing 100044, China

2.Institute of Optoelectronic Technology, Key Laboratory of Information Storage and Display, Beijing Jiaotong University, Beijing 100044, China

3.Institute of Optoelectronic Technology, Key Laboratory of Information Storage and Display, Beijing Jiaotong University, Beijing 100044, China

4.Institute of Optoelectronic Technology, Key Laboratory of Information Storage and Display, Beijing Jiaotong University, Beijing 100044, China

5.Department of Chemistry, Hebei Normal University, Shijiazhuang 050091, China

基金项目: 河北省自然科学基金(203148) 国家自然科学基金(90201004)

Organic Light-Emitting Device Based on Terbium Complex

Keywords： terbium complex

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.

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Organic Light-Emitting Device Based on Terbium Complex

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