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First Examples of Alkenyl Pyridines as Organic Ligands for Phosphorescent Iridium Complexes
Author(s) -
Paulose B. M. J. S.,
Rayabarapu D. K.,
Duan J.P.,
Cheng C.H.
Publication year - 2004
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200400149
Subject(s) - iridium , phosphorescence , materials science , electroluminescence , pyridine , dopant , oled , olefin fiber , ring (chemistry) , photochemistry , polymer chemistry , organic chemistry , nanotechnology , fluorescence , catalysis , chemistry , optoelectronics , doping , polymer , optics , layer (electronics) , physics , composite material
The first successful synthesis of iridium complexes {(PEP) 2 Ir(acac), (NEP) 2 Ir(acac), (PETP) 2 Ir(acac), (MPEP) 2 Ir(acac), and (PP) 2 Ir(acac)} (see Figure) using an olefin‐tethered pyridine ring is described. The electroluminescent devices prepared using these iridium complexes as dopant emitters showed very high brightness and efficiencies.