一种基于咔唑的新型磷光主体材料的合成及光电性能

引用本文: 杨婷婷, 许慧侠, 王华, 苗艳勤, 杜晓刚, 景姝, 许并社. 一种基于咔唑的新型磷光主体材料的合成及光电性能[J]. 物理化学学报, 2013, 29(06): 1351-1356. doi: 10.3866/PKU.WHXB201303281 shu

Citation: YANG Ting-Ting, XU Hui-Xia, WANG Hua, MIAO Yan-Qin, DU Xiao-Gang, JING Shu, XU Bing-She. Synthesis and Photoelectric Properties of a New Phosphorescent Host Material Based on Carbazole[J]. Acta Physico-Chimica Sinica, 2013, 29(06): 1351-1356. doi: 10.3866/PKU.WHXB201303281 shu

一种基于咔唑的新型磷光主体材料的合成及光电性能

基金项目:
教育部长江学者与创新团队发展项目(IRT0972) (IRT0972)

国家国际科技合作专项(2012DFR50460) (2012DFR50460)

国家自然科学基金(21071108, 60976018,21101111, 61274056, 61205179) (21071108, 60976018,21101111, 61274056, 61205179)

山西省自然科学基金(2010021023-2, 2011021022-2) (2010021023-2, 2011021022-2)

山西省科技攻关项目(20120321019)资助 (20120321019)

摘要:

设计并合成了一种基于咔唑的新型的磷光主体材料, 即9-(6-(9-咔唑基)己基)咔唑(hCP), 对其结构及性能进行了表征. 研究结果表明: hCP分子中两个咔唑与烷基链是非共平面的, 由于长烷基链的缠绕, 因而具有较高的三线态能级(3.01 eV)和较高的玻璃化温度(93℃); 以hCP为主体材料, 与绿光磷光染料三(2-苯基吡啶)合铱(Ir(ppy)₃)掺杂作为发光层, 制备了磷光电致发光器件, 其器件的最大电流效率为15.1 cd·A^-1, 相对于4,4'-N,N'-二咔唑基联苯(CBP)为主体材料的参考器件, 显著提高了34.8%.

关键词:

English

Synthesis and Photoelectric Properties of a New Phosphorescent Host Material Based on Carbazole

1.
1 Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, P. R. China;
2 Research Center of Advanced Materials Science and Technology, Taiyuan University of Technology, Taiyuan 030024, P. R. China
Received Date: 22 October 2012
Available Online: 17 May 2013
Fund Project:
教育部长江学者与创新团队发展项目(IRT0972)

国家国际科技合作专项(2012DFR50460)

国家自然科学基金(21071108, 60976018,21101111, 61274056, 61205179)

山西省自然科学基金(2010021023-2, 2011021022-2)

山西省科技攻关项目(20120321019)资助

Abstract:

A new phosphorescent host material based on 9-[6-(9H-carbazol-9-yl)hexyl]-9H-carbazole (hCP) was designed and synthesized and its structure and properties were characterized. These investigations indicated that hCP possessed a twisted rigid structure, with the two carbazole units in a non-coplanar conformation leading to a higher triplet energy level (3.01 eV). hCP also possessed a high glass transition temperature (93℃). Electroluminescent devices were fabricated by doping the hCP host with the green- phosphorescent fac-tris(2-phenylpyridine)iridium(III) (Ir(ppy)₃) as the light-emitting layer. Compared with devices employing the typical (4,4'-N,N'-dicarbazole)biphenyl) (CBP) as a host, the hCP host showed a 34.8% increase of current efficiency to 15.1 cd·A^-1.

Key words:

Carbazole
/ Phosphorescence organic light emitting device
/ Host material

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

一种基于咔唑的新型磷光主体材料的合成及光电性能

English

Synthesis and Photoelectric Properties of a New Phosphorescent Host Material Based on Carbazole

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

一种基于咔唑的新型磷光主体材料的合成及光电性能

English

Synthesis and Photoelectric Properties of a New Phosphorescent Host Material Based on Carbazole

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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