Kang Soo Kyung, Hwang NamHee, Pak Soyoung, Kim Young Kwan, Yoon Seung Soo
Department of Chemistry, Sungkyunkwan University, Suwon, Kyunggi-do 440-746, South Korea.
Department of Information Display, Hongik University, Seoul, 121-791, South Korea.
J Nanosci Nanotechnol. 2020 Jan 1;20(1):589-593. doi: 10.1166/jnn.2020.17244.
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.
合成了基于苯基苯并唑配体的磷光铂（II）配合物，并研究了其用于有机发光二极管（OLED）的光物理性质。使用这些配合物作为发光体的多层OLED器件表现出高效发射，这对铂（II）配合物的结构和光物理性质非常敏感。特别是，使用基于苯基苯并唑配体的铂（II）配合物2作为掺杂剂的器件C在20 mA/cm²时的发光效率、功率效率、外量子效率分别为8.03 cd/A、2.79 lm/W、4.84%，在10.0 V时的CIE坐标为（0.63，0.35），表现出高效发射。
