Blue Organic Light-Emitting Device Based on Dopant TBP

YAO Yi; ZHANG Fang-hui; JIN Bao-an; JIANG Qian; LIU Ding-han; YAN Hong-gang

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Blue Organic Light-Emitting Device Based on Dopant TBP

Device Technology & Physics | 更新时间：2020-08-12

- Blue Organic Light-Emitting Device Based on Dopant TBP
- Chinese Journal of Liquid Crystals and Displays Vol. 25, Issue 3, Pages: 375-378(2010)
- 作者机构：
  
  陕西科技大学电气与信息工程学院, 陕西西安 710021,E-mail: yaoyi1228@yahoo.com.cn
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN383+.1
- Received：14 September 2009，
  
  Revised：02 January 1900，
  
  Published Online：30 June 2010，
  
  Published：30 June 2010
- 稿件说明：
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姚毅;张方辉;靳宝安;蒋谦;刘丁涵;阎洪刚. 基于TBP掺杂的蓝光有机电致发光器件[J]. 液晶与显示, 2010,25(3): 375-378

YAO Yi;ZHANG Fang-hui;JIN Bao-an;JIANG Qian;LIU Ding-han;YAN Hong-gang. Blue Organic Light-Emitting Device Based on Dopant TBP[J]. 液晶与显示, 2010,25(3): 375-378
姚毅;张方辉;靳宝安;蒋谦;刘丁涵;阎洪刚. 基于TBP掺杂的蓝光有机电致发光器件[J]. 液晶与显示, 2010,25(3): 375-378 DOI：

YAO Yi;ZHANG Fang-hui;JIN Bao-an;JIANG Qian;LIU Ding-han;YAN Hong-gang. Blue Organic Light-Emitting Device Based on Dopant TBP[J]. 液晶与显示, 2010,25(3): 375-378 DOI：

摘要

采用真空蒸镀法

制备了结构为ITO/2T-NATA(15 nm)/NPB(25 nm)/ADN ∶ TBP(30 nm

)/Alq

(30 nm)/LiF(1 nm)/Al(100 nm)的蓝光器件

为TBP的掺杂浓度(质量分数)

分别取0%

5%。实验结果表明:采用2T-NATA作为空穴注入层和掺杂TBP能够改善器件的发光亮度和发光效率

当TBP掺杂浓度为3%时

器件的效果最好

可获得稳定的蓝光器件

亮度最高达到5 840 cd/m

比不掺杂TBP的亮度提高约0.7倍;7 V时器件的最大电流效率为5.29 cd/A

流明效率为21 m/W

色坐标为(0.152 9

0.225 4)。

Abstract

A kind of blue OLED device with structure of ITO/2T-NATA(15 nm)/NPB(25 nm)/ADN ∶ TBP(30 nm

%) /Alq

(30 nm)/LiF(1 nm)/Al(100 nm) was prepared via vacuum deposition process

here

varied from 0% to 5% with a step of 1%. The results showed that 2T-NATA function as the hole injection layer and dopant TBP can improve the luminance and efficiency

the 3% doped device exhibits a best performance including a maximum luminance of 5 840 cd/m

that was about 0.7 times than that of device without TBP; a maximum current efficiency of 5.29 cd/A

a luminance efficiency is 2 lm/W and CIE coordinates reach (0.152 9

0.225 4) at 7 V.

关键词

Keywords

references

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