Highly Efficient Blue Phosphorescent OLEDs Based on 1,3,5-tri(9H-carbazol-9-yl)benzene Host Material

SUN Jun; ZHANG Yu-xiang; MEI Xue-yi; ZHANG Hong-ke; XUE Zhen; HE Hai-xiao; LU Lu; GAO Chang

doi:10.3788/fgxb20113206.0581

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Highly Efficient Blue Phosphorescent OLEDs Based on 1,3,5-tri(9H-carbazol-9-yl)benzene Host Material

paper | 更新时间：2020-08-12

- Highly Efficient Blue Phosphorescent OLEDs Based on 1,3,5-tri(9H-carbazol-9-yl)benzene Host Material
- Chinese Journal of Luminescence Vol. 32, Issue 6, Pages: 581-586(2011)
- 作者机构：
  
  西安瑞联近代电子材料有限责任公司,陕西西安,710077
- 作者简介：
- 基金信息：
  
  863"
- DOI：10.3788/fgxb20113206.0581
  CLC： TN383.1
- Received：08 September 2010，
  
  Revised：20 October 2010，
  
  Published Online：22 June 2011，
  
  Published：22 June 2011
- 稿件说明：
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孙军, 张玉祥, 梅学义, 张宏科, 薛震, 何海晓, 逯璐, 高昌轩. 基于1,3,5-tri(9H-carbazol-9-yl)benzene主体材料的高效蓝色电致磷光器件[J]. 发光学报, 2011,32(6): 581-586

SUN Jun, ZHANG Yu-xiang, MEI Xue-yi, ZHANG Hong-ke, XUE Zhen, HE Hai-xiao, LU Lu, GAO Chang-xuan. Highly Efficient Blue Phosphorescent OLEDs Based on 1,3,5-tri(9H-carbazol-9-yl)benzene Host Material[J]. Chinese Journal of Luminescence, 2011,32(6): 581-586
孙军, 张玉祥, 梅学义, 张宏科, 薛震, 何海晓, 逯璐, 高昌轩. 基于1,3,5-tri(9H-carbazol-9-yl)benzene主体材料的高效蓝色电致磷光器件[J]. 发光学报, 2011,32(6): 581-586 DOI： 10.3788/fgxb20113206.0581.

SUN Jun, ZHANG Yu-xiang, MEI Xue-yi, ZHANG Hong-ke, XUE Zhen, HE Hai-xiao, LU Lu, GAO Chang-xuan. Highly Efficient Blue Phosphorescent OLEDs Based on 1,3,5-tri(9H-carbazol-9-yl)benzene Host Material[J]. Chinese Journal of Luminescence, 2011,32(6): 581-586 DOI： 10.3788/fgxb20113206.0581.

摘要

以1

5-tri(9H-carbazol-9-yl)benzene (TCzP)为主体材料

制备了FIrpic掺杂的高效有机电致蓝光双发光层器件

最大亮度为11 957 cd/m

;最大电流效率为18.8 cd/A;色坐标为(0.17

0.37);光谱峰值位于472 nm

在496 nm处有一肩峰;即使在1 000 cd/m

下

其效率仍为13.5 cd/A。研究结果表明:作为主体材料

较高的三重态能量和较高的带隙对于获得高效蓝色磷光器件非常重要。

Abstract

Hightly efficient blue phosphorescent organic light emitting diodes(OLEDs) based on a host material 1

5-tri(9H-carbazol-9-yl)benzene (TCzP) doped (iridium(Ⅲ) picolinate) (FIrpic) were fabricated

and a double-emitting layer device was also manufactured. The maximum brightness of 11 957 cd/m

peak current efficiency of 18.8 cd/A with Commission Internationale de L'Eclairage (CIE) coordinates of (0.17

0.37) were obtained. The emission peak wavelength of 472 nm with its shoulder peaking at 496 nm were observed. Even at high brightness of 1 000 cd/m

the current efficiency remains 13.5 cd/A. The experimental results indicate that high triplet energy and hole mobility for a host material are very important to achieve highly efficient blue phosphorescent device.

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references

Ma Y G , Zhang H Y, Shen J C, et al. Electroluminescence from triplet metal-ligand charge-transfer excited state of transition metal complexes [J]. Synthetic Metals, 1998, 94 (3):245-248.[2] Baldo M A, O'Brien D F, You Y, et al. Highly efficient phosphorescent emission from organnic electroluminescent devices [J]. Nature, 1998, 395 (1):151-154.[3] Wan Hui, Li Bo, Sun Sanchun, et al. Performance improvement of polymer light-emitting diodes with an organic small molecule layer(CBP) [J]. Chin. J. Lumin. (发光学报), 2009, 30 (2):162-166 (in Chinese).[4] Li Hongyan, Zhang Yuxiang, Zhang Hongke, et al. Effect of a series of host material on optoelectronic performance of red phosphorescent OLED [J]. Chin. J. Lumin. (发光学报), 2009, 30 (5):585-589 (in Chinese).[5] Yang Shaopeng, Ju Xiuqin, Wang Lishun, et al. Highly color-purified-red phosphorescent organic light-emitting diode using CBP as host material [J]. Chin. J. Lumin. (发光学报), 2010, 31 (1):25-30 (in Chinese).[6] Hu Dehua, Luping, Ma Yuguang, et al. Silane coupling di-carbazoles with high triplet energy as host materials for highly efficient blue phosphorescent devices [J]. J. Mater. Chem., 2009, 19 (34):6143-6148.[7] Jiang Zuoquan,Xu Xichen, Zhang Zhiqiang, et al. Diarylmethylene-bridged 4,4'-(bis(9-carbazolyl))biphenyl: morphological stable host material for highly efficient electrophosphorescence [J]. J. Mater. Chem., 2009, 19 (41):7661-7665.[8] Lee J W, Chopra N T, Eom S H, et al. Effects of triplet energies and transporting properties of carrier transporting materials on blue phosphorescent organic light emitting devices [J]. Appl. Phys. Lett., 2008, 93 (12):123306-1-3.[9] Lee J H, Lee J I, Song K I, et al. Influence of doping profile on the efficiency of blue phosphorescent organic light-emitting diodes [J]. Appl. Phys. Lett., 2008, 92 (13):133304-1-3.[10] Chopra N T, Lee J W, Zheng Y, et al. High efficiency blue phosphorescent organic light-emitting device [J]. Appl. Phys. Lett., 2008, 93 (14):143307-1-3.[11] Su Zisheng, Li Wenlian, Che Guangbo, et al. Enhanced electrophosphorescence of copper complex based devices by codoping an iridium complex [J]. Appl. Phys. Lett., 2007, 90 (14):143505-1-3.[12] Ho C L, Wang Q, Lam C S, et al. Phosphorescence color tuning by ligand, and substituent effects of multifunctional iridium(Ⅲ) cyclometalates with 9-arylcarbazole moieties [J]. Chem. Asian J., 2009, 4 (1):89-103.[13] Wang Qiang, Deng Zhaoqi, Ma Dongge, et al. Realization of high efficiency microcavity top-emitting organic light-emitting diodes with highly saturated colors and negligible angular dependence [J]. Appl. Phys. Lett., 2009, 94 (23):233306-1-3.[14] Hwang S H , Kim Y K , Lee C H, et al. Phenylcarbazole-based compound and organic electroluminescent device employing the same,USA:US2008107919 . 2008-05-08.[15] Chopra N T, Lee J W, Zheng Y, et al. Effect of the charge balance on high-efficiency blue-phosphorescent organic light-emitting diodes [J]. Applied Materials & Interfaces, 2009, 1 (6):1169-1172.[16] Lee J H, Lee J I, Song K I, et al. Effects of interlayers on phosphorescent blue organic light-emitting diodes [J]. Appl. Phys. Lett., 2008, 92 (20):203305-1-3.[17] Wang Qi, Ding Junqiao, Ma Dongge, et al. Harvesting excitons via two parallel channels for efficient white organic LEDs with nearly 100% internal quantum efficiency: Fabrication and emission-mechanism analysis [J]. Adv. Funct. Mater,2009, 19 (1):84-95.[18] Yang Dongfang, Li Wenlian, Chu Bei, et al. High efficiency electrophosphorescence device using a thin cleaving layer in an Ir-complex doped emitter layer [J]. Appl. Phys. Lett., 2008, 92 (25):253309-1-3.[19] Holmes R J, Forrest S R, Tung Y J, et al. Blue organic electrophosphorescence using exothermic host-guest energy transfer [J]. Appl. Phys. Lett., 2003, 82 (15):2422-2424.[20] Lee Jiunhaw, Huang Chihlun, Hsiao Chihhung, et al. Blue phosphorescent organic light-emitting device with double emitting layer [J]. Appl. Phys. Lett., 2009, 94 (22):223301-1-3.[21] Lee Jonghee, Lee Jeongik, Lee Jun yeob, et al. Enhanced efficiency and reduced roll-off in blue and white phosphorescent organic light-emitting diodes with a mixed host structure [J]. Appl. Phys. Lett., 2009, 94 (19):193305-1-3.[22] Wu Zhaoxin, Wang Liduo, Lei Gangtie, et al. Investigation of the spectra of phosphorescent organic light-emitting devices in relation to emission zone [J]. J. Appl. Phys., 2005, 97 (10):103105-1-4.

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