Aryl substituted 9-(2,2-diphenylvinyl)carbazoles as efficient materials for hole transporting layers of OLEDs

被引：16

作者：

Griniene, R. ^{[1
]}

Grazulevicius, J. V. ^{[1
]}

Tseng, K. Y. ^{[2
]}

Wang, W. B. ^{[2
]}

Jou, J. H. ^{[2
]}

Grigalevicius, S. ^{[1
]}

机构：

[1] Kaunas Univ Technol, Dept Organ Technol, LT-50254 Kaunas, Lithuania

[2] Natl Tsing Hua Univ, Dept Mat Sci & Engn, Hsinchu 30013, Taiwan

来源：

SYNTHETIC METALS | 2011年 / 161卷 / 21-22期

关键词：

Carbazole derivatives; Amorphous material; Ionization potential; Light emitting diode; POLYMERS;

D O I：

10.1016/j.synthmet.2011.09.032

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Phenyl or naphthyl substituted 9-(2,2-diphenylvinyl)carbazoles were synthesized by the multi-step synthetic route. The materials were examined by various techniques including thermogravimetry, differential scanning calorimetry, and electron photoemission technique. These derivatives were also tested as hole-transporting materials in bilayer OLEDs with Alq(3) as the emitter. The devices exhibited promising overall performance with a turn-on voltage of 3.2V, a maximal photometric efficiency of about 4.8 cd/A and maximum brightness of 12.400-13,100 cd/m(2). (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：2466 / 2470

页数：5

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