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Synthesis and Electrophosphorescent Properties of Iridium Complexes Based on Phenylpyridine-based Main Ligand for Organic Light-emitting Diodes by Myungkwan Song; Jin Su Park; Ki-Sun Nam; Mikyoung Yoon; Hoe Won Yoon; Ae Jin Kim; Young Inn Kim; Yeong-Soon Gal; Jae Wook Lee; Sung-Ho Jin is a Engineering article available to read on EtoBox.

What is Synthesis and Electrophosphorescent Properties of Iridium Complexes Based on Phenylpyridine-based Main Ligand for Organic Light-emitting Diodes about?

A novel cyclometalated ligand 2-(2,4-dimethoxyphenyl)-5-trifluoromethylpyridine (MeO 2 CF 3 ppy) and its complexes bis[2-(2,4-dimethoxy-phenyl)-5-trifluoromethyl pyridinato-N,C 2 ]iridium 2-pyrazine carboxylic acid (MeO 2 CF 3 ppy) 2 Ir(prz) and bis[2-(2,4-dimethoxy-phenyl)-5-trifluoromethyl pyridinato-N,C 2 ]iridium 5-methyl-2-pyrazine carboxylic acid (MeO 2 CF 3 ppy) 2 Ir(mprz) were synthesized. Trifluoromethyl and dimethoxy groups were introduced into main ligand for tuning the emission color. The phosphorescence organic light-emitting diodes (PhOLEDs) based on these complexes with the configuration of ITO/PEDOT:PSS (40 nm)/PVK:TCTA:OXD-7:Ir complex (50 nm)/BCP (20 nm)/Alq 3 (10 nm)/LiF (1 nm)/Al (100 nm) were fabricated. The solution-processed PhOLEDs based on (MeO 2 CF 3 ppy) 2 Ir(mprz) exhibited a maximum quantum efficiency of 2.97% and luminance efficiency of 4.95 cd/A with CIE coordinate of (0.43, 0.53).

Who reads Synthesis and Electrophosphorescent Properties of Iridium Complexes Based on Phenylpyridine-based Main Ligand for Organic Light-emitting Diodes?

Author

Myungkwan Song; Jin Su Park; Ki-Sun Nam; Mikyoung Yoon; Hoe Won Yoon; Ae Jin Kim; Young Inn Kim; Yeong-Soon Gal; Jae Wook Lee; Sung-Ho Jin

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-0248)

Published

2011

Language

EN

Field

Engineering (Physical Sciences)