Synthesis and Electroluminescent Property of Phosphorescent Red Iridium complexes for red OLEDs and white oleds
- Authors
- 신동명
- Issue Date
- 31-Aug-2017
- Publisher
- KJF
- Citation
- KJF-ICOMEP, v.1, no.1, pp.47 - 47
- Journal Title
- KJF-ICOMEP
- Volume
- 1
- Number
- 1
- Start Page
- 47
- End Page
- 47
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/5364
- Abstract
- Mapo-gu, Seoul, Korea, shindm@hongik.ac.kr Novel red phosphorescent iridium(III) complexes, (TP-MQ)Ir(tmd), (MTP-MQ)2Ir(tmd) were synthesized for red emitter of the phosphorescent organic light-emitting diodes (phOLEDs). The ligands have sites of both the electron donor and acceptor in a molecule. The main ligands consisted of (thiophene, 5-methylthiophene) and electron-acceptor methylquinoline were synthesized by suzuki coupling reaction. The iridium(III) complexes based on main ligands and 2,2,6,6-tetramethyl-3,5-heptanedione(tmd) ancillary ligand were synthesized by Nonoyama reaction. Their luminescence property was investigated by UV-visible spectroscopy and photoluminescence (PL) spectroscopy. The manufactured phOLEDs and WOLEDs were characterized by investigation of current density-voltage-luminance, power efficiency, external quantum efficiency, life time, electroluminescence spectrum. These phosphorescent iridium complexes will be promising candidates for highly efficient OLEDs.
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Collections - College of Engineering > Chemical Engineering Major > 1. Journal Articles
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