基于香豆素衍生物的新型绿色/红色磷光有机电致发光主体材料的设计、合成及性能表征

doi:10.7517/j.issn.1674-0475.2010.05.383

影像科学与光化学 ›› 2010, Vol. 28 ›› Issue (5): 383-389.DOI: 10.7517/j.issn.1674-0475.2010.05.383

基于香豆素衍生物的新型绿色/红色磷光有机电致发光主体材料的设计、合成及性能表征

王静^1,3, 郑才俊^1,3, 黄达^1,3, 叶俊^1,3, 欧雪梅¹, 陶斯禄², 张晓宏¹, 赵伟明⁴

1. 中国科学院, 理化技术研究所, 纳米有机光电子实验室, 北京, 100190;
2. 电子科技大学, 光电信息学院, 四川, 成都, 610054;
3. 中国科学院, 研究生院, 北京, 100049;
4. 东莞彩显有机发光科技有限公司, 广东, 东莞, 523656

收稿日期:2010-04-28 修回日期:2010-05-26 出版日期:2010-09-23 发布日期:2010-09-23
通讯作者: 张晓宏,Tel:010-82543510,E-mail:xhzhang@mail.ipc.ac.cn.
基金资助:
国家自然科学基金面上项目(50773090)

Design,Synthesis and Characterization of New Host Material Based on Coumarin Derivative for Green and Red Phosphorescent OLEDs

WANG Jing^1,3, ZHENG Cai-jun^1,3, HUANG Da^1,3, YE Jun^1,3, OU Xue-mei¹, TAO Si-lu², ZHANG Xiao-hong¹, ZHAO Wei-ming⁴

1. Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China;
2. School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu 610054, Sichuan, P. R. China;
3. Graduate University of the Chinese Academy of Sciences, Beijing 100049, P. R. China;
4. Dongguan Litewell(OLED) Technology Inc., Dongguan 523656, Guangdong, P. R. China

Received:2010-04-28 Revised:2010-05-26 Online:2010-09-23 Published:2010-09-23

摘要/Abstract

摘要： 设计并合成了一种新型的香豆素衍生物,3,3-’(1,3-苯基)双(7-乙氧基-4-甲基香豆素)(mEMCB),并系统地对该香豆素衍生物进行了结构表征、光物理性能、热物理性能及电化学性能的研究.mEMCB具有较高的三重态能级(2.42eV),可敏化绿色、红色磷光掺杂材料.同时,mEMCB还具有较好的热稳定性(T_g:79.72℃,T_d:361.49℃),其T_g明显高于目前广泛使用的磷光主体材料CBP.研究结果表明,mEMCB是一个潜在的可以用于绿色和红色磷光有机电致发光器件的主体材料.

关键词: 主体材料, 香豆素衍生物, 磷光, 有机电致发光器件

Abstract: A new coumarin derivative,1,3-bis(7-ethoxy-4-methyl-3-coumarinyl)benzene(mEMCB),was designed and synthesized.mEMCB exhibits higher triplet energy(2.42 eV) than that of the most green and red phosphorescent dopants.Furthermore,mEMCB has good thermal stabilities.The decomposition temperature(T_d) is 361.49 ℃,and the glass transition temperature(T_g) is 79.72 ℃,which is obviously higher than that of popular host material CBP(T_g,62 ℃).The results indicate that mEMCB is a potential host material for green and red phosphorescent OLEDs.

Key words: host material, coumarin derivative, phosphorescent, organic light emitting diodes(OLEDs)

中图分类号:

王静, 郑才俊, 黄达, 叶俊, 欧雪梅, 陶斯禄, 张晓宏, 赵伟明. 基于香豆素衍生物的新型绿色/红色磷光有机电致发光主体材料的设计、合成及性能表征[J]. 影像科学与光化学, 2010, 28(5): 383-389.

WANG Jing, ZHENG Cai-jun, HUANG Da, YE Jun, OU Xue-mei, TAO Si-lu, ZHANG Xiao-hong, ZHAO Wei-ming. Design,Synthesis and Characterization of New Host Material Based on Coumarin Derivative for Green and Red Phosphorescent OLEDs[J]. Imaging Science and Photochemistry, 2010, 28(5): 383-389.

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基于香豆素衍生物的新型绿色/红色磷光有机电致发光主体材料的设计、合成及性能表征

Design,Synthesis and Characterization of New Host Material Based on Coumarin Derivative for Green and Red Phosphorescent OLEDs

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