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Synthesis and electrophosphorescent properties of iridium complexes based on 2-fluorenylquinoline derivatives

Authors
Lee, Kum HeeLee, WoochulKim, Min KyuSeo, Ji HyunKim, Young KwanYoon, Seung Soo
Issue Date
3-May-2010
Publisher
ELSEVIER SCIENCE SA
Keywords
Electroluminescence; Red phosphorescence; Iridium complex; 2-fluorenylquinoline
Citation
THIN SOLID FILMS, v.518, no.14, pp.3972 - 3977
Journal Title
THIN SOLID FILMS
Volume
518
Number
14
Start Page
3972
End Page
3977
URI
https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/20791
DOI
10.1016/j.tsf.2009.11.019
ISSN
0040-6090
Abstract
A series of cyclometalated iridium complexes with 2-fluorenylquinoline derivative ligands were synthesized and their photophysical and electroluminescent properties examined using multilayered, organic light-emitting diodes fabricated with the complexes as dopant materials. In the device containing the complex 3 dopant, the maximum luminance was 20,200 cd/m(2) at 14 V. the luminous and power efficiencies were 14.1 cd/A and 11.0 lm/W, respectively, and the CIE coordinates were (0.65, 035) which were close to saturated red emission. (C) 2009 Elsevier B.V. All rights reserved.
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