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Luminescent Enhancement of Heterostructure Organic Light-Emitting Devices Based on Aluminum Quinolines

ISSN号：1674-862X
期刊名称：《电子科技学刊：英文版》
时间：0
分类：TN383[电子电信—物理电子学]
作者机构：[1]State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information, Universityof Electronic Science and Technology of China, Chengdu 610054, China
相关基金：This work has been supported by National Science Foundation of China （Grant No. 60425101）, Program for New Century Excel- lent Talents in University （Grant No. NCET-06-0812） and the Young Excellent Project of UESTC（ Grant No.060206）.

作者： Jun-Sheng Yu Lu Li Ya-Dong Jiang Xing-Qiao Ji Tao Wang[1]

中文摘要：

有铟听氧化物(ITO ) 的结构的蓝、绿的器官的轻射出的设备 /N， N 鈥 ? 二度 --(1-naphthyl )-N,N 鈥 ?diphenyl-1,1 鈥 ?biphenyl-4,4 鈥 ?diamine (NPB )/aluminum (III ) 二度(2-methyl-8-quinolinato ) 4-phenylphenolato (BAlq )/tris (8-hydroxyquinolate ) 铝(Alq3 )/Mg : Ag 被制作了。到绿轻排放的蓝色与器官的电影厚度的变化被完成了。基于精力乐队图和费用搬运人通道理论，当调节颜色的层和颜色变量 electroluminescence (EL ) 在费用搬运人再结合地区以内被归功于到调整功能，不同厚度的电影起一个作用，这被结束当调节颜色的层和颜色变量 electroluminescence (EL ) 在费用搬运人再结合地区以内被归功于到调整功能。在有高效的 heterostructure 设备的情况中，观察 EL 系列与器官的电影的厚度显著地变化，它从再结合的移动被结果区域地点。设备相同部件创作，这迄今没被显示能被实现由改变功能的层的电影厚度认识到不同颜色排放。CLC 数字 TN383 这个工作被中国(资助号码 60425101 ) 的国家科学基金支持了，为大学里的新世纪优秀才能的节目(资助没有。NCET-06-0812 ) 并且 UESTC (资助 No.060206 ) 的年轻优秀工程。

英文摘要：

Blue and green organic fight-emitting devices with a structure of indium tin oxide （ITO）/N,N＇-bis-（1-naphthyl）-N,N＇- diphenyl- 1, l＇-biphenyl-4,4＇-diamine （NPB）/aluminum（HI） bis（2-methyl-8-quinolinato）4 -phenylphenolato （BAlq）/tris（8- hydroxyquinolate）-aluminum （Alq3）/Mg：Ag have been fabricated. Blue to green light emission has been achieved with the change of organic film thickness. Based on energy band diagram and charge carrier tunneling theory, it is concluded that the films of different thicknesses play a role as a color-tuning layer and the color-variable electroluminescence （EL） is ascribed to the modulation function within the charge carrier recombination zone. In the case of heterostructure devices with high performance, the observed EL spectra varies significantly with the thickness of organic films, which is resulted from the shift of recombination region site. It has not been hitherto indicated that the devices compose of identical components could be implemented to realize different color emission by changing the film thickness of functional layers.

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