Development of Highly Efficient organic Electroluminescent Devices and Improvement of Their Stability
高效有机电致发光器件的开发及其稳定性的提高
基本信息
- 批准号:09045058
- 负责人:
- 金额:$ 1.79万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for international Scientific Research
- 财政年份:1997
- 资助国家:日本
- 起止时间:1997 至 1998
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Profs. Zhang Zhi-lin and Jiang Xue-yin, Shanghai University, are studying for the organic electroluminescent devices constructed with N, N'-diphenyl-N, N'-bis (3-methylphenyl)-l, 1 '-biphenyl4, 4' diamine (TPD) as the hole transport layer, 8-hydroxyquinoline aluminium (Alq3) as the electron transport layer and indium-tin oxide (ITO) and Mg-Ag as positive and negative electrodes respectively. The luminescence efficiency of the devices was increasedmore than 50 % (8918 to 13690 cd/m^<n2>) and the stability of the devices was improved tenfold by the doping Rubrene into the hole transport layer of an organic thin film electroluminescent devices. The luminous efficinecy increased by 70% and the half decay time on the basis of initial luminance became longer ten times for the EL devices introduced rubrene into the hole transport layer (TPD).Profs. Zhang Zbi-lin and Jiang Xue-yin have cooperated research with Prof. Nagatomo's research group, Shibaura Institute of Technology, on the organic EL … More devices for five years including the term of this project. Prof. Zhang research group has given goods results on the EL devices. Prof. Zhang is the leading man in the field of electroluminescent phenomena and EL devices. This project was supported by the National Natural Science Foundation of China.Prof. Nagatomo's research group, Shibaura Institute of Technology, are studying for the organic electroluminescent devices used perylene-doped poly (N-vinyl carbazole)(PVCz) as the light emitting layer. Poly (N-vinyl carbazole) has the higher glass transition temperature. Butylphenyl biphenyl oxidiaylos (Bu-PBD) and 8-hydroxyuinoline aluminium (AIQ) were used as a hole-blocking layer and an electron transport layer, respectively. Copper phthalocyanine (CuPc) was used as a hole injection layer. The EL cells with a wide range of wavelength from purplish-blue to yellow-green colors have been obtained by perylene doping into PVCz, From the study of carrier injection states, it proved that the electron can be directly injected into the energy levels generated by doped perylene, It was clarified that the luminance and efficiency can be improved by a hole blocking layer. an electron transport layer and a hole injection layer. Our experimental results indicates that the dopant concentration and carrier injection balance have an influence on obtaining high luminance and efficiency.The energy gap (the difference between LUMO (Lowest Unoccupied Molecular Orbital) level and HOMO (Highest Occupied Molecular Orbital) level) of the organic materials and the conducting polymers was measured by the cyclic voltammetry method. Less
教授上海大学的张志林和姜学银研究了以N,N '-二苯基-N,N'-双(3-甲基苯基)-1,1 '-联苯-4,4'-二胺(TPD)为空穴传输层,8-羟基喹啉铝(Alq 3)为电子传输层,铟锡氧化物(ITO)和Mg-Ag分别为正负电极的有机电致发光器件。在<n2>有机薄膜电致发光器件的空穴传输层中掺杂Rubrene,使器件的发光效率提高了50%以上(8918 ~ 13690 cd/m2),器件的稳定性提高了10倍。在空穴传输层(TPD)中引入红荧烯后,器件的发光效率提高了70%,半衰减时间在初始亮度的基础上延长了10倍。张志必林、姜学银与芝浦工业大学长友研究小组合作研究有机EL ...更多信息 设备为期五年,包括本项目的期限。张教授课题组在电致发光器件方面取得了良好的成果。张教授是电致发光现象和电致发光器件领域的领军人物。本项目是国家自然科学基金项目,芝浦工业大学长友研究小组研究以二萘嵌苯掺杂聚乙烯基咔唑(PVCz)为发光层的有机电致发光器件。聚N-乙烯基咔唑具有较高的玻璃化转变温度。分别使用丁基苯基联苯氧化物(Bu-PBD)和8-羟基喹啉铝(AIQ)作为空穴阻挡层和电子传输层。使用铜酞菁(CuPc)作为空穴注入层。通过在PVC_2中掺杂二萘嵌苯,获得了从紫蓝色到黄绿色的宽波长范围的电致发光器件。从载流子注入态的研究中,证明了电子可以直接注入到掺杂二萘嵌苯产生的能级中,阐明了空穴阻挡层可以提高发光效率和发光亮度。电子传输层和空穴注入层。实验结果表明,掺杂浓度和载流子注入平衡对获得高亮度和高效率有影响。通过循环伏安法测量了有机材料和导电聚合物的能隙(LUMO(最低未掺杂铜分子轨道)能级和HOMO(最高占据分子轨道)能级之间的差)。少
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Zhi-lin Zhang, Xue-yin Jiang, Shao-hong Xu, T.Nagatomo: "Thin Film Electroluminescent Diodes based on Poly (vinyl carbazole)" “Organic Electroluminescent Materials and Devices" edited by Seizo Miyata and Hari Singh Nalwa, Gordon and Breach Science Publish
张志林、蒋学银、徐少红、T.Nagatomo:“基于聚(乙烯基咔唑)的薄膜电致发光二极管”“有机电致发光材料和器件”由 Seizo Miyata 和 Hari Singh Nalwa、Gordon 和违反科学出版
- DOI:
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Takao Nagatomo: "Organic EL Devices Using Phthalocianine System" Monthly DISPLAY. Vol.4, No.4. 51-54 (1998)
Takao Nagatomo:“使用酞菁系统的有机 EL 器件”每月展示。
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長友隆男: "フタロシアニン類を用いた有機EL素子" 照明学会研究会 光関連材料・デバイス研究専門部会資料. Vol. MD-98-50. (1998)
Takao Nagatomo:“使用酞菁的有机 EL 器件”日本照明工程学会材料,光学相关材料和器件研究小组委员会 MD-98-50。
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長友隆男、山口正樹: "分子分散型有機EL素子の高効率化と多色化" 高分子学会 予稿集. Vol.47, No. 9. 1868-1869 (1998)
Takao Nagatomo、Masaki Yamaguchi:“分子分散有机 EL 器件的高效率和多色化”聚合物科学技术学会论文集,第 47 卷,第 9 期。1868-1869 (1998)
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T.Nagatomo and M.Yamaguchi: "Processes for High Efficiency of Doped-Type Organic EL Devices" The Meeting on Light Application and Visual (The Institute of Electrical Engineers of Japan). Vol.LAV-98-8. 7-12 (1998)
T.Nagatomo 和 M.Yamaguchi:“掺杂型有机 EL 器件的高效率工艺”光应用和视觉会议(日本电气工程师学会)。
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NAGATOMO Takao其他文献
NAGATOMO Takao的其他文献
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{{ truncateString('NAGATOMO Takao', 18)}}的其他基金
The clarification of the emission mechanism due to the energy transfer for the dye-doped electroluminescent devices
阐明染料掺杂电致发光器件的能量转移引起的发射机制
- 批准号:
13650352 - 财政年份:2001
- 资助金额:
$ 1.79万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
STUDY FOR P-TYPE DOPING OF GaInN SINGLE CRYSTAL FILMS
GaInN单晶薄膜的P型掺杂研究
- 批准号:
06650369 - 财政年份:1994
- 资助金额:
$ 1.79万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
Basic Research on Tin Sulfide(SnS) Thin Film Solar Cells
硫化锡(SnS)薄膜太阳能电池的基础研究
- 批准号:
05045034 - 财政年份:1993
- 资助金额:
$ 1.79万 - 项目类别:
Grant-in-Aid for international Scientific Research