Highly efficient organic electroluminescent devices based on cyclometallated platinum complexes as new phosphorescent emitters

被引：19
|
作者：
Cocchi, M
Virgili, D
Sabatini, C
Fattori, V
Di Marco, P
Maestri, M
Kalinowski, J
机构：
[1] Natl Res Council Italy, Inst Organ Synth & Photoreact, I-40129 Bologna, Italy
[2] Univ Bologna, Dept Chem G Ciamician, I-40126 Bologna, Italy
[3] Gdansk Tech Univ, Dept Mol Phys, PL-80952 Gdansk, Poland
来源：
SYNTHETIC METALS | 2004年 / 147卷 / 1-3期
关键词：
D O I：
10.1016/j.synthmet.2004.05.021
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
High efficiency electroluminescence (EL) in organic light emitting diodes (OLED) was achieved using cyclometallated platinum(11) complexes as new phosphorescent emitters. OLEDs containing bis[2-(2-thienyl)pyridine]platinum(II) [Pt(thpy)(2)] or bis[2-(5-trimethylsilanyl-2-thienyl)-pyridine]platinum(II) [Pt(thpy-SiMe3)(2)] show a high external EL quantum yield reaching 5.4 and 11.5% photon/electron, respectively. Both electroluminescent spectra fall in the "amber" color region defined by the automotive lighting standards; specifically the CIE coordinates are (0.58: 0.42) for Pt(thpy)(2) and (0.60; 0.39) for Pt(thpy-SiMe3)(2). (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：253 / 256
页数：4
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