Synthesis and electroluminescent properties of new coumarin derivatives

被引：0

作者：

Jung, Hyocheol ^{[1
]}

Kang, Seokwoo ^{[1
]}

Shin, Donghee ^{[2
]}

Song, Gihyun ^{[1
]}

Kay, Kwang-Yol ^{[2
,3
]}

Park, Jongwook ^{[1
]}

机构：

[1] Kyung Hee Univ, Dept Chem Enginnering, Suwon, South Korea

[2] G OLED Co Ltd, Seongshin Technopk, Suwon, South Korea

[3] Ajou Univ, Dept Mol Sci & Technol, Suwon 16499, South Korea

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2017年 / 651卷 / 01期

基金：

新加坡国家研究基金会;

关键词：

Blue Chromophore; coumarin; fluorescence; organic light-emitting diode; BLUE; TRANSISTORS; POLYMER; DIODES;

D O I：

10.1080/09273948.2017.1338882

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

4-methyl-7-(10-(pyren-1-yl)anthracen-9-yl)-2H-chromen-2-one (PAC), 7,7'-(anthracene-9,10-diyl)bis(4- methyl-2H-chromen-2-one) (CAC), 7-Ant-hracen-9-yl-4-methyl-chromen-2-one (AC), and 7-(naphthalen-1-yl)-2H-chromen-2-one (NC) were synthesized through Suzuki aryl-aryl coupling reaction. Optical and electroluminescence (EL) properties were evaluated by UV-visible absorption, photoluminescence (PL) spectra, and EL devices. Synthesized compounds were used as an emitting layer (EML) in non-doped device with the following structures: ITO/2-TNATA (60nm)/NPB (15nm)/synthesized compounds (35nm)/Alq(3) (20nm)/LiF (1nm)/Al (200nm). Non-doped devices showed luminance efficiency (L.E.) of 1.38, 1.03, 1.12, and 0.39cd/A at a current density of 10mA/cm(2).

引用

页码：48 / 54

页数：7

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