基于双极性小分子的单层非掺杂红色荧光有机发光二极管
以双极性小分子4,9-二(4-(2,2-二苯乙烯基)苯基)萘并[2,3-c][1,2,5]噻二唑(BDPNTD)为发光层,制备得到了单层非掺杂红色荧光有机发光二极管.通过在阳极ITO与有机层BDPNTD之间插入1nm厚的WO3或MoO3薄膜,获得了单层有机发光二极管:起亮电压为2.4V,最大发光亮度为4950cd·m^-2,发光波长为636nm,CIE坐标约为(0.65,0.35).这证明了作为修饰层的WO3或MoO3薄膜可以改进ITO/BDPNTD界面的空穴注入,进而在器件中实现空穴与电子的平衡....
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Published in | Wuli huaxue xuebao Vol. 26; no. 3; pp. 531 - 534 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
清华大学化学系,北京,100084
2010
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Subjects | |
Online Access | Get full text |
ISSN | 1000-6818 |
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Summary: | 以双极性小分子4,9-二(4-(2,2-二苯乙烯基)苯基)萘并[2,3-c][1,2,5]噻二唑(BDPNTD)为发光层,制备得到了单层非掺杂红色荧光有机发光二极管.通过在阳极ITO与有机层BDPNTD之间插入1nm厚的WO3或MoO3薄膜,获得了单层有机发光二极管:起亮电压为2.4V,最大发光亮度为4950cd·m^-2,发光波长为636nm,CIE坐标约为(0.65,0.35).这证明了作为修饰层的WO3或MoO3薄膜可以改进ITO/BDPNTD界面的空穴注入,进而在器件中实现空穴与电子的平衡. |
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Bibliography: | 11-1892/06 ITO buffer layer O644 Ambipolar Single-layer Red-emitting electrofluorescent Organic light-emitting device Organic light-emitting device; Single-layer; Non-doped; Red-emitting electrofluorescent; Ambipolar; ITO buffer layer Non-doped |
ISSN: | 1000-6818 |