A green emitting iridium(III) complex with narrow emission band and its application to phosphorescence organic light-emitting diodes (OLEDs)

被引：60

作者：

Jung, Sung Ouk ^{[1
,2
]}

Zhao, Qinghua ^{[1
,2
]}

Park, Jong-Won ^{[1
,2
]}

Kim, Seul Ong ^{[1
,2
]}

Kim, Yun-Hi ^{[1
,2
]}

Oh, Hyoung-Yun ^{[4
]}

Kim, Jinho ^{[3
]}

Kwon, Soon-Ki ^{[1
,2
]}

Kang, Youngjin ^{[3
]}

机构：

[1] Gyeongsang Natl Univ, Sch Mat Sci & Engn, Engn Res Inst, Dept Chem, Jinju 660701, South Korea

[2] Gyeongsang Natl Univ, Res Inst Nat Sci, Jinju 660701, South Korea

[3] Kangwon Natl Univ, Div Sci Educ, Chunchon 200701, South Korea

[4] LG Display Co Ltd, Paju 413811, South Korea

来源：

ORGANIC ELECTRONICS | 2009年 / 10卷 / 06期

关键词：

Organic light-emitting diodes; Phosphorescence; Ir(ppy)(3) derivative; Concentration quenching; IR(III) COMPLEX; EFFICIENCY; ELECTROPHOSPHORESCENCE; DEVICES; DERIVATIVES;

D O I：

10.1016/j.orgel.2009.05.018

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The homoleptic Ir(III) complex, fac-tris{2-(3'-trimethylsilylphenyl)-5-trimethylsilylpyridinato}liridium, has been synthesized and characterized to investigate the effect of the substitution of bulky silyl groups on the photophysical properties and electroluminescence (EL) characteristics of Ir(ppy)(3) (ppy = 2-phenylpyridine). The absorption, emission, cyclic voltammetry and electroluminescent performance of the complex have also been evaluated. A power efficiency of 17.3 lm/W at 10 mA/cm(2) compared to 11.7 lm/W for Ir(ppy)(3) is achieved with the new complex as a dopant in phosphorescent organic light-emitting diodes (OLEDs). In addition, the complex shows a narrow emission band of a small full width at half-maximum (fwhm, ca. 50 nm) value. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1066 / 1073

页数：8

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