| 一种新型蓝色有机电致发光器件及其发光机理 |
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| 引用本文： | 徐登辉.一种新型蓝色有机电致发光器件及其发光机理[J].光电子．激光,2011(1):67-70. |
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| 作者姓名： | 徐登辉 |
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| 作者单位： | 北京工商大学机械工程学院;北京交通大学光电子技术研究所发光与光信息技术教育部重点实验室; |
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| 基金项目： | 国家自然科学基金资助项目(61007021); 北京市教委科技计划面上资助项目(KM201010011009,KM200910011010); 北京市属高等学校人才强教计划资助项目(PHR201007122) |
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| 摘 要： | 利用5,6,11,12-tetraphenylnaphthacene(Rubrene)超薄层制备了一种蓝光有机电致发光器件(OLED),器件结构为ITO/N,N'-diphenyl-N,N'-bis(1-naphthyl)-(1,18-biphenyl)-4,4'-diamine(NPB)(50nm)/2,9-d...
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| 关 键 词： | 有机电致发光器件(OLED) 激子 势垒 激基复合物 |
Novel blue organic light-emitting device and its emission mechanism |
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| XU Deng-hui.Novel blue organic light-emitting device and its emission mechanism[J].Journal of Optoelectronics·laser,2011(1):67-70. |
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| Authors: | XU Deng-hui |
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| Affiliation: | XU Deng-hui1,LI Xiong1,LI Bao-he1,CHEN Xiao-bai1,DENG Zhen-bo2,LV Zhao-yue2,CHEN Zheng2(1.School of Mechanical Engineering,Beijing Technology and Business University,Beijing 100037,China,2.Key Laboratory of Luminescence and Optical Information,EMC,Institute of Optoelectronic Technology,Beijing Jiaotong University,Beijing 100044,China) |
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| Abstract: | An ultra-thin 5,6,11,12-tetraphenylnaphthacene(Rubrene) layer is introduced in the fabrication of a blue organic light-emitting device(OLED) with the structure of ITO/N,N′-diphenyl-N,N′-bis(1-naphthyl)-(1,18-biphenyl)-4,4′-diamine(NPB)(50 nm)/BCP(10 nm)/Rubrene(0.05 nm)/tris(8-hydroxyquinoline) aluminum(Alq3)(40 nm)/LiF(0.2 nm)/Al.The main peaks of the electroluminescent(EL) spectra of the device are located at 450 nm and 479 nm,respectively.From the photoluminescence(PL) and EL spectra of the films,we find that the two peaks still exist,and they should come from the exciplex at the BCP/Rubrene interface.The brightness of the device reaches 2 750 cd/m2 at 13.5 V and the highest current efficiency of the device reaches 2.04 cd/A. |
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| Keywords: | organic light-emitting device(OLED) exciton carrier exciplex |
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