Red Organic Light-Emitting Diodes Doped with Two Guest Dyes

LI Feng; ZHANG Xiu-feng; FENG Jing; CHENG Gang; WU Zhi-jun; LIU Shi-yong; ZHANG Li-gong; SO

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Red Organic Light-Emitting Diodes Doped with Two Guest Dyes

更新时间：2020-08-11

- Red Organic Light-Emitting Diodes Doped with Two Guest Dyes
- Chinese Journal of Luminescence Vol. 24, Issue 6, Pages: 592-598(2003)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所, 激发态物理重点实验室,吉林长春,130033
  2. 吉林大学, 集成光电子国家重点联合实验室, 吉林, 长春, 130023
  3. 中国科学院长春光学精密机械与物理研究所, 应用用光学国家重点实验室,吉林长春,130033
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN383.1;TN783.3
- Received：21 December 2002，
  
  Revised：20 January 2003，
  
  Published：20 November 2003
- 稿件说明：
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李峰,张秀峰,冯晶,程刚,吴志军,刘式墉,张立功,宋克非,林久令. 掺杂两种荧光染料的有机红光电致发光器件[J]. 发光学报, 2003,24(6): 592-598

LI Feng, ZHANG Xiu-feng, FENG Jing, CHENG Gang, WU Zhi-jun, LIU Shi-yong, ZHANG Li-gong, SONG Ke-fei, LIN Jiu-ling. Red Organic Light-Emitting Diodes Doped with Two Guest Dyes[J]. Chinese Journal of Luminescence, 2003,24(6): 592-598
李峰,张秀峰,冯晶,程刚,吴志军,刘式墉,张立功,宋克非,林久令. 掺杂两种荧光染料的有机红光电致发光器件[J]. 发光学报, 2003,24(6): 592-598 DOI：

LI Feng, ZHANG Xiu-feng, FENG Jing, CHENG Gang, WU Zhi-jun, LIU Shi-yong, ZHANG Li-gong, SONG Ke-fei, LIN Jiu-ling. Red Organic Light-Emitting Diodes Doped with Two Guest Dyes[J]. Chinese Journal of Luminescence, 2003,24(6): 592-598 DOI：

摘要

制作了掺杂rubrene和4-(dicyanomethylene)-2-t-butyl-6-(1

7-tetramethyljulolidyl-9

enyl)-4H-pyran(DCJTB)两种荧光染料的红光有机电致发光器件。N

N’-diphenyl-N

N’-bis(1-naphthyl)-(1

1’-biphenyl)-4

4’-diamine(NPB)和掺杂的Tri-(8-hydroxyquinoline)aluminum(Alq

)分别作为空穴和电子传输层。我们发现掺rubrene和DCJTB的器件性能与只掺DCJTB的器件性能相比有所提高。器件性能的改善是因为掺入的rubrene能够促进从Alq

到DCJTB的能量转移。根据荧光衰减曲线

计算出从Alq

到DCJTB、从Alq

到rubrene以及从rubrene到DCJTB的能量转移速率分别为1.04×10

3.89×10

2.79×10

-1

。可以看出能量通过rubrene从Alq

到DCJTB的转移速率是能量直接从Alq

到DCJTB的2.7倍。

Abstract

We report the red organic light-emitting diodes doped with rubrene and 4-(dicyanomethylene)-2-t-butyl-6-(1

7-tetramethyljulolidyl-9-enyl)-4H-pyran (DCJTB).N

N’-diphenyl-N

N’-bis(1-naph-thyl)-(1

1’-biphenyl)-4

4’-diamine (NPB) and doped tri-(8-hydroxyquinoline)aluminum(Alq

) are used as hole and electron-transport layers

respectively.The performances of the co-doped diodes were found to be improved compared to the only DCJTB doped diodes.We attribute the improvement to rubrene which assists the energy transfer from Alq

to DCJTB more efficiently.The energy transfer rates from Alq

to DCJTB

from Alq

to rubrene

and from rubrene to DCJTB are proximately calculated to be 1.04×10

3.89×10

2.79×109s

-1

according to the fit of the fluorescence decay curves

respectively.It can be seen clearly that the energy transfer rate from Alq

to DCJTB through rubrene is 2.7 times higher than that from Alq

to DCJTB directly.

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