New Hole Transporting Materials Based on Hexaarylbenzene and Aromatic Amine Moiety for Organic Light-Emitting Diodes

被引：5
|
作者：
Kim, Seungho [1 ]
Lee, Sang-Ho [2 ]
Shin, Hwangyu [1 ]
Kay, Kwang-Yol [2 ]
Park, Jongwook [1 ]
机构：
[1] Catholic Univ Korea, Dept Chem, Puchon 420743, South Korea
[2] Ajou Univ, Dept Mol Sci & Technol, Suwon 443749, South Korea
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2014年 / 14卷 / 08期
基金：
新加坡国家研究基金会;
关键词：
Hole Transport Material; Organic Light-Emitting Diode; Solution Process; DERIVATIVES; FIELD;
D O I：
10.1166/jnn.2014.8291
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Three different new hole transport compounds, namely DPAP-TB, 1-PNAP-TB and 2-PNAP-TB, were synthesized by Sonogashira coupling and Diels-Alder reaction. Synthesized materials exhibited high T-g in the range of 118 to 133 degrees C. These values are higher than that of NPB, which is commonly used as a hole transporting material. OLED devices were fabricated by the synthesized compounds using the solution process as a hole transporting layer. Device structure was ITO/PEDOT:PSS (40 nm)/synthesized compounds or NPB (20 nm)/Alq3 (70 nm)/LiF/Al. Luminance efficiencies and external quantum efficiencies of DPAP-TB, 1-PNAP-TB and 2-PNAP-TB devices were 3.98, 4.62, 4.22 cd/A, and 1.35, 1.56, 1.43% at 20 mA/cm(2), respectively. In luminance efficiency and external quantum efficiency, 1-PNAP-TB especially had superior property to NPB.
引用
收藏
页码：6382 / 6385
页数：4
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