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Highly efficient deep-blue phosphorescence from heptafluoropropyl-substituted iridium complexes

Authors
Kim, Jung-BumHan, Seung-HoonYang, KiyullKwon, Soon-KiKim, Jang-JooKim, Yun-Hi
Issue Date
Jan-2015
Publisher
Royal Society of Chemistry
Citation
Chemical Communications, v.51, no.1, pp 58 - 61
Pages
4
Indexed
SCI
SCIE
SCOPUS
Journal Title
Chemical Communications
Volume
51
Number
1
Start Page
58
End Page
61
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/18558
DOI
10.1039/c4cc07768g
ISSN
1359-7345
1364-548X
Abstract
New deep-blue iridium complexes, consisting of a heptafluoropropyl (HFP) substituent at the 3' position of 2',4 ''-difluorophenyl, have a deep HOMO level and decreased shoulder electronic transition and inhibit self-quenching due to the sterically hindered group without conjugation. An OLED using (HFP)(2)Ir(mpic) exhibited a maximum EQE of 21.4% with a CIE of (0.146, 0.165).
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