| Tris（8—Hydroxyquinoline）Aluminum／2—（4—Biphenylyl）—5—（4—Tertbutylphenyl）—1,3,3—O—xadiazole Organic Multiple Quantum Wells for Electroluminescent Devices |
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| 引用本文： | CHENBaijun HOUJingying 等. Tris（8—Hydroxyquinoline）Aluminum／2—（4—Biphenylyl）—5—（4—Tertbutylphenyl）—1,3,3—O—xadiazole Organic Multiple Quantum Wells for Electroluminescent Devices[J]. 半导体光子学与技术, 1998, 4(3): 183-187 |
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| 作者姓名： | CHENBaijun HOUJingying 等 |
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| 作者单位： | [1]StateKeyLab.onIntegratedOptoelectronics,JilinUniversityRegion,Changchun130023,CHN [2]StateKeyLab.onInteg,JilinUniversityRegion,Changchun130023,CHN |
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| 基金项目： | Supported by the "863" Project[No.863-307-05-05(02)] and the National Natural Science Foundation of China (No.6963010). |
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| 摘 要： | Organic multiple quantum wells(OMQWs) consisting of alternating layers of organic materials have been fabricated from tris(8-hdroxyquinoline) aluminum(Alq)and 2-(4-biphenylyl)-5-(4-tertbutylphenyl)-1,3,3-oxadiazole(PBD)by a multisource-type high-vacuum organic molecular deposition.From the small-angle X-ray diffraction patterns of Alq/PBD OMQWs,a periodically layered structure is confirmed through the entire stack.The Alq layer thickness in the OMQWs was varied from 1 nm to 4 nm.From the optical aborption, photoluminescence and electroluminescence measurements,it is found that the exciton energy shifts to higher energy with decreasing Alq layer thickness,The changes of the exciton energy could be interpreted as the confinement effects of exciton in the Alq thin layers.Narrowing of the emission spectrum has also been observed for the electroluminescent devices(ELDs)with the OMQWs structure at room temperature.
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| 关 键 词： | 有机电发光器 有机多量子阱 有机半导体 |
| 收稿时间： | 1998-02-04 |
Tris(8-Hydroxyquinoline) Aluminum/2-(4-Biphenylyl)-5-(4-Tertbutylphenyl)-1,3,3-Oxadiazole Organic Multiple Quantum Wells for Electroluminescent Devices |
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| CHEN Baijun,HOU Jingying,XIE Zhiyuan,HUANG Jingsong,LI Cuannan,LIU Shiyong. Tris(8-Hydroxyquinoline) Aluminum/2-(4-Biphenylyl)-5-(4-Tertbutylphenyl)-1,3,3-Oxadiazole Organic Multiple Quantum Wells for Electroluminescent Devices[J]. Semiconductor Photonics and Technology, 1998, 4(3): 183-187 |
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| Authors: | CHEN Baijun HOU Jingying XIE Zhiyuan HUANG Jingsong LI Cuannan LIU Shiyong |
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| Abstract: | Organic multiple quantum wells(OMQWs) consisting of alternating layers of organic materials have been fabricated from tris(8-hydroxyquinoline) aluminum(Alq)and 2-(4-biphenylyl)-5-(4-tertbutylphenyl)-1,3,3-oxadiazole(PBD) by a multisource-type high-vacuum organic molecular deposition.From the small-angle X-ray diffraction patterns of Alq/PBD OMQWs,a periodically layered structure is confirmed through the entire stack.The Alq layer thickness in the OMQWs was varied from 1 nm to 4 nm.From the optical absorption,photoluminescence and electroluminescence measurements,it is found that the exciton energy shifts to higher energy with decreasing Alq layer thickness,The changes of the exciton energy could be interpreted as the confinement effects of exciton in the Alq thin layers.Narrowing of the emission spectrum has also been observed for the electroluminescent devices (ELDs) with the OMQWs structure at room temperature. |
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| Keywords: | Organic Electroluminescent Device Organic Multiple Quantum Wells Organic Semiconductor |
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