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Updated: Jan 21, 2026

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes
Published on: November 16, 2018
Platinum(II) Complexes Based on Phenylbenzoazole-Derived Ligands for Phosphorescent Organic Light-Emitting Diodes
Soo Kyung Kang1, NamHee Hwang1, Soyoung Pak1
1Department of Chemistry, Sungkyunkwan University, Suwon, Kyunggi-do 440-746, South Korea.
Abstract:
Phosphorescent Pt(II) complexes based on phenylbenzoazole ligands were synthesized and their photophysical properties were investigated for OLEDs. Multilayered OLEDs devices using these complexes as emitters showed the efficient emissions, which are very sensitive to the structural and photophysical properties of Pt(II) complexes. In particularly, a device C using Pt(II) complex 2 based on phenylbenzoazole ligand as the dopant exhibited efficient emission with a luminous efficiency, a power efficiency, an external quantum efficiency, and CIE coordinates of 8.03 cd/A, 2.79 lm/W, 4.84% at 20 mA/cm², and (0.63, 0.35) at 10.0 V, respectively.
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