用于高效红色磷光有机发光二极管的双极性芴基咔唑基主体材料

凌乾坤; 董必正; 陈志宽; 王华; 魏定纬; 李祥智; 赵波; 李天保; 陈飞

doi:10.37188/CJL.20210397

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用于高效红色磷光有机发光二极管的双极性芴基咔唑基主体材料

材料合成及性能 | 更新时间：2022-04-07

- 用于高效红色磷光有机发光二极管的双极性芴基咔唑基主体材料
  增强出版
- Bipolar Fluorenylcarbazole-based Host Materials for Efficient Red Phosphorescent Organic Light-emitting Diodes
- Chinese Journal of Luminescence 2022年43卷第3期页码：359-370
- 作者机构：
  
  1.太原理工大学　新材料界面科学与工程教育部重点实验室，山西　太原　030024
  2.西北工业大学　宁波研究院，浙江　宁波　315199
  3.宁波诺丁汉大学　化学环境工程系，浙江　宁波　315199
- 作者简介：
  
  [ "凌乾坤(1994 -)，男，河南商丘人，硕士研究生，2019年于河南工程学院获得学士学位，主要从事应用于有机发光二极管的红光磷光双极性主体材料的研究。E-mail: 1192142380@qq.com" ]
  [ "陈志宽(1967-)，男，四川绵阳人，博士，教授，博士生导师，1995年于北京大学获得博士学位，主要从事有机光电材料的设计与合成、材料光电特性及薄膜特性、材料的器件特性及其与材料结构的构效关系及器件制程、器件物理、器件集成等方面的研究。E-mail: zkchen@lumilan.cn" ]
  [ "王华(1977-)，男，山西平定县人，博士，教授，博士生导师，2007年于太原理工大学获得博士学位，主要从事有机半导体光电材料与器件的研究。E-mail: wanghua001@tyut.edu.cn" ]
  [ "李天保(1974-)，男，山西临县人，博士，教授，博士生导师，2008年于太原理工大学获得博士学位，主要从事光电半导体器件及制备工艺的研究。E-mail: litianbao@tyut.edu.cn" ]
- 基金信息：
  
  National Natural Scientific Foundation of China(62074109;21875106)
- DOI：10.37188/CJL.20210397
  中图分类号： O482.31
- 收稿日期：2021-12-16，
  
  修回日期：2022-01-07，
  
  纸质出版日期：2022-03
- 稿件说明：
移动端阅览
凌乾坤, 董必正, 陈志宽, 等. 用于高效红色磷光有机发光二极管的双极性芴基咔唑基主体材料[J]. Chinese Journal of Luminescence, 2022,43(3):359-370.

Qian-kun LING, Bi-zheng DONG, Zhi-kuan CHEN, et al. Bipolar Fluorenylcarbazole-based Host Materials for Efficient Red Phosphorescent Organic Light-emitting Diodes[J]. 发光学报, 2022, 43(3): 359-370.
凌乾坤, 董必正, 陈志宽, 等. 用于高效红色磷光有机发光二极管的双极性芴基咔唑基主体材料[J]. Chinese Journal of Luminescence, 2022,43(3):359-370. DOI： 10.37188/CJL.20210397.

Qian-kun LING, Bi-zheng DONG, Zhi-kuan CHEN, et al. Bipolar Fluorenylcarbazole-based Host Materials for Efficient Red Phosphorescent Organic Light-emitting Diodes[J]. 发光学报, 2022, 43(3): 359-370. DOI： 10.37188/CJL.20210397.

摘要

为提高有机发光二极管的发光效率，设计合成了两种新的红光磷光双极性主体材料FC-CZ-PQZ和FC-BCz-PQZ，两种材料均表现出优秀的光物理性能、较高热稳定能力和平衡的载流子传输能力，FC-BCz-PQZ表现最佳，与FC-Cz-PQZ相比，FC-BCz-PQZ的热稳定能力更强、载流子传输平衡性更好. 以FC-CZ-PQZ和FC-BCz-PQZ为主体，制备了红色PhOLEDs

FC-BCz-PQZ表现出了较高的电致发光性能，电流效率、功率效率和最大外量子效率分别为13.5 cd/A、14.2 lm/W 和 14.8%

说明FC-BCz-PQZ有潜力成为红光PhOLED主体材料.

Abstract

Achieving high-efficiency red phosphorescent organic light-emitting diodes(PhOLEDs) is still a challenge

which is largely related to the host material used in device fabrication. Two new bipolar hosts

2-(9

-carbazol-9-yl)-7

7-dimethyl-5-(4-phenylquinazolin-2-yl)-5

7-dihydroindeno［2

1-b］carbazole(FC-CZ-PQZ) and 2-(4-(9

-carbazol-9-yl)phenyl)-7

7-dimethyl-5-(4-phenylquinazolin-2-yl)-5

7-dihydroindeno［2

1-b］carbazole(FC-BCz-PQZ)

were designed and synthesised as host materials to fabricate red PhOLEDs. The two compounds exhibited excellent physical properties with high thermal stabilities and balanced charge transport. FC-BCz-PQZ has a better bipolar carrier transport compared to FC-CZ-PQZ. FC-BCz-PQZ-based device demonstrated good electroluminescence performance with the maximum current efficiency

power efficiency and external quantum efficiency of 13.5 cd/A

14.2 lm/W and 14.8%

respectively

suggesting its promising application as a host material for red PhOLEDs.

关键词

Keywords

references

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