| 利用辅助掺杂改善红光有机电致发光器件的性能 |
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| 引用本文： | 委福祥,张晓波,曹进,刘向,朱文清,蒋雪茵,张志林.利用辅助掺杂改善红光有机电致发光器件的性能[J].光电子．激光,2007,18(3):267-269. |
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| 作者姓名： | 委福祥 张晓波 曹进 刘向 朱文清 蒋雪茵 张志林 |
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| 作者单位： | 上海大学材料科学与工程学院,新型显示技术与应用集成教育部重点实验室,上海,201800 |
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| 基金项目： | 国家自然科学基金
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国家重点基础研究发展计划(973计划) |
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| 摘 要： | 以Coumarin(C545)做辅助掺杂剂,制作了结构为氧化铟锡(ITO)/N,N′-二(1-萘基)-N,N′-二苯基-1,1′-联苯-4,-4′-二胺(NPB)/8-羟基喹啉铝(Alq3):C545:4-二氰亚甲基-2-叔丁基-6-(1,1,7,7-四甲基久咯呢定基-9-烯基)-4H-吡喃(DCJTB)/Alq3/LiF/Al的红光有机电致发光器件(OLED).研究了不同掺杂质量分数对器件性能的影响,结果发现,掺C545和DCJTB的器件性能与只掺DCJTB的器件相比较,其色纯度、亮度及效率均有所提高,器件性能的改善主要是由于掺入的C545提高了由基质Alq3向红光染料DCJTB进行能量传递的效率.
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| 关 键 词： | 有机电致发光器件(OLED) 辅助掺杂 能量传递 |
| 文章编号： | 1005-0086（2007）03-0267-03 |
| 收稿时间： | 2006/4/26 0:00:00 |
| 修稿时间： | 2006-04-262006-07-09 |
Improvement of Electroluminescene Utilizing Emitting Assist Dopant for Red Organic Light Emission |
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| WEI Fu-xiang,ZHANG Xiao-bo,CAO Jin,LIU Xiang,ZHU Wen-qing,JIANG Xue-yin,ZHANG Zhi-lin.Improvement of Electroluminescene Utilizing Emitting Assist Dopant for Red Organic Light Emission[J].Journal of Optoelectronics·laser,2007,18(3):267-269. |
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| Authors: | WEI Fu-xiang ZHANG Xiao-bo CAO Jin LIU Xiang ZHU Wen-qing JIANG Xue-yin ZHANG Zhi-lin |
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| Affiliation: | Key Laboratory of Advanced Display and System Application of EMC,Institute of Materials Science and Engineering,Shanghai University,Shanghai 201800,China |
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| Abstract: | The efficient red organic light emitting diodes(OLED)that employ Coumarin(C545)as an assistant dopant are obtained.The cell structure is indium tin oxide(ITO)/N,N'-bis-(1-naphenyl)-N,N'-biphenyl-1,1'-biphenyl-4,-4'-diamine(NPB)/tris(8-hydroxyquinoline)aluminum(Alq3):C545:4-(dicyanomethylene)-2-t-butyl-6-(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran(DCJTB)/Alq3/LiF/Al.The electroluminescent properties of devices with different component ratios of C545 and DCJTB are studied.Compared with devices where the emitting layer is only composed of Alq3 and DCJTB,the emission efficiency and purity of color are improved.We attribute these improvements to the assistant dopant C545 which leads to the more efficient energy transfer from Alq3 to DCJTB. |
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| Keywords: | organic light-emitting diodes(OLED) assistant dopant energy transfer |
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