Triphenylamine substituted anthracene derivatives for blue organic light-emitting diodes

Sung Min Kwon, Kum Hee Lee, Bo Young Kim, Suk Jae Lee, Young Kwan Kim, Seung Soo Yoon
Journal of Nanoscience and Nanotechnology 2014, 14 (8): 6177-80
A series of bipolar anthracene derivatives containing triphenylamine as an electron donating group and pyridine, quinoline, isoquinoline and benzothiazole as electron withdrawing groups were synthesized and characterized. Particularly, a material, 9-quinolinyl-10-triphenylamin anthracene (3) exhibits a highly efficient sky-blue EL emission with the luminous efficiency (LE) of 9.36 cd/A, power efficiency (PE) of 5.94 lm/W and quantum efficiency (QE) of 4.23% at 500 nit. This material shows the maximum wavelength of the electroluminescence (EL) at 486 nm and the CIE x, y coordinates of (0.17, 0.36) at 6 V.

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