Green and Bluish-green Phosphorescent OLEDs with High Efficiency at High Brightness

TENG Ming-yu; XU Qiu-lei; LI Hong-yan; WANG Cheng-cheng; ZHANG Song; LIN Chen; ZHENG You-x

doi:10.3788/fgxb20133401.0092

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Green and Bluish-green Phosphorescent OLEDs with High Efficiency at High Brightness

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

- Green and Bluish-green Phosphorescent OLEDs with High Efficiency at High Brightness
- Chinese Journal of Luminescence Vol. 34, Issue 1, Pages: 92-97(2013)
- 作者机构：
  
  1. 南京大学环境工程系污染控制与资源化研究国家重点实验室, 江苏南京 210093
  2. 南京大学化学化工学院配位化学国家重点实验室, 南京微结构国家实验室(筹), 江苏南京 210093
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20133401.0092
  CLC： TN383+.1
- Received：01 September 2012，
  
  Revised：05 December 2012，
  
  Published：10 January 2013
- 稿件说明：
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滕明瑜, 徐秋蕾, 李红岩, 王铖铖, 张松, 林晨, 郑佑轩, 王乐勇, 潘丙才. 高亮度下具有较高效率的绿色和蓝绿色有机电致发光器件的制备和性能研究[J]. 发光学报, 2013,(1): 92-97

TENG Ming-yu, XU Qiu-lei, LI Hong-yan, WANG Cheng-cheng, ZHANG Song, LIN Chen, ZHENG You-xuan, WANG Le-yong, PAN Bing-cai. Green and Bluish-green Phosphorescent OLEDs with High Efficiency at High Brightness[J]. Chinese Journal of Luminescence, 2013,(1): 92-97
滕明瑜, 徐秋蕾, 李红岩, 王铖铖, 张松, 林晨, 郑佑轩, 王乐勇, 潘丙才. 高亮度下具有较高效率的绿色和蓝绿色有机电致发光器件的制备和性能研究[J]. 发光学报, 2013,(1): 92-97 DOI： 10.3788/fgxb20133401.0092.

TENG Ming-yu, XU Qiu-lei, LI Hong-yan, WANG Cheng-cheng, ZHANG Song, LIN Chen, ZHENG You-xuan, WANG Le-yong, PAN Bing-cai. Green and Bluish-green Phosphorescent OLEDs with High Efficiency at High Brightness[J]. Chinese Journal of Luminescence, 2013,(1): 92-97 DOI： 10.3788/fgxb20133401.0092.

摘要

以铱配合物Ir(tfmppy)

(tpip) (

tfmppy = 4-三氟甲基苯基吡啶

tpip=四苯基膦酰胺)和Ir(dfppy)

(tpip) (

dfppy=4

6-二氟苯基吡啶)为发光中心分别制备了绿色和蓝绿色有机电致发光器件ITO/ TAPC(1

1-bis[4-[N

N-di(p-tolyl)amino] phenyl]

cyclohexane

60 nm)/Ir(Ⅲ)complex(

质量分数):SimCP(3

5-bis(9-carbazolyl) tetraphenylsilane

40 nm)/TPBi (2

2″-(1

5-benzinetriyl)-tris(1-phenyl-1-

-benzimidazole

60 nm)/LiF (1 nm)/Al (100 nm)。配合物Ir(tfmppy)

(tpip)掺杂质量分数为6%时

以其为发光中心的绿色器件在5 930 cd/m

亮度下的最大电流效率为47.10 cd/A

CIE色坐标为(0.28

0.65)

在16.4 V驱动电压下的最大发光亮度为38 674 cd/m

。配合物Ir(dfppy)

(tpip)掺杂质量分数为10%时

以其为发光中心的蓝绿色器件在3 175 cd/m

亮度下的最大电流效率为14.80cd/A

色坐标为(0.15

0.50)

在11.8 V驱动电压下的最大发光亮度为25 985 cd/m

。

Abstract

Green and bluish-green organic light emitting diode (OLEDs) devices based on Ir(tfmppy)

(tpip) [

tfmppy=4-trifluoromethylphenylpyridine

tpip=tetraphenylimido-diphosphinate] and Ir(dfppy)

(tpip) [

dfppy=[JP]4

6-difluorophenylpyridine]

as emitters were constructed with the device structure of ITO/TAPC (1

1-bis[4-[N

N-di(p-tolyl)amino]phenyl]

cyclohexane

60 nm)/Ir(Ⅲ) complex (

mass fraction): SimCP (3

5-bis(9-carbazolyl)tetraphenylsilane

40 nm)/TPBi (2

2"-(1

5-benzinetriyl)-tris(1-phenyl-1-

-benzimidazole

60 nm)/LiF (1 nm)/Al (100 nm). Green device with 6%

doped concentration showed a maximum current efficiency of 47.10 cd/A at 5 930 cd/m

a maximum brightness of 38 674 cd/m

at 16.4 V with (0.28

0.65) at Commission Internationale de LEclairage (CIE) coordinates. Bluish-green device with 10%

doped concentration exhibited a current efficiency of 14.80 cd/A at 3 175 cd/m

a brightness of 25 985 cd/m

at 11.8 V CIE coordinates of (0.15

0.50).

关键词

Keywords

references

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