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Synthesis, Characterization, and Electroluminescent Properties of Iridium(III) 2‐Phenylpyridine‐type Complexes Containing Trifluoromethyl Substituents and Various Main‐Group Moieties
Author(s) -
Ho CheukLam,
Lam ChingShan,
Sun Ning,
Ma Dongge,
Liu Li,
Yu ZhenQiang,
Xue Liqin,
Lin Zhenyang,
Li Hua,
Lo Yih Hsing,
Wong WaiYeung
Publication year - 2014
Publication title -
israel journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.908
H-Index - 54
eISSN - 1869-5868
pISSN - 0021-2148
DOI - 10.1002/ijch.201400076
Subject(s) - phosphorescence , iridium , chemistry , electroluminescence , trifluoromethyl , moiety , oled , photochemistry , electrochemistry , main group element , fluorescence , organic chemistry , catalysis , electrode , physics , alkyl , layer (electronics) , quantum mechanics , transition metal
Abstract New heteroleptic cyclometalated iridium(III) 2‐phenylpyridine‐type complexes with trifluoromethyl substituents and various main‐group moieties were synthesized and their photophysical, electrochemical, and electroluminescent (EL) properties studied. The emission color can be tuned by a facile derivatization of the phenyl moiety of 2‐phenylpyridine with various main‐group moieties, and we have prepared new yellowishgreen to orange triplet emitters with enhanced charge injection/charge transporting features, which can furnish attractive EL performance in phosphorescent organic light‐emitting devices (OLEDs). Attempts were also made to fabricate two‐color white‐light OLEDs based on a combination of fluorescent blue and phosphorescent orange emitters.