Organic electrophosphorescent devices with mixed hole transport material as emission layer
H Matsushima, S Naka, H Okada, H Onnagawa - Current Applied Physics, 2005 - Elsevier
We report on the reduction of driving voltage in organic electrophosphorescent devices with
mixed hole transport material as emission layer. The emission layer was mixed with N, N′-
diphenyl-N, N′-(3-methylphenyl)-[1, 1′-biphenyl]-4, 4′-diamine (TPD) as a hole-transport
material, 4, 4′-bis (9-carbazolyl)-biphenyl (CBP) as a host material for a phosphorescent
material, tris (2-phenylpyridine) iridium (Ir (ppy) 3) as a phosphorescent material and 2, 9-
dimethyl-4, 7-diphenyl-1, 10-phenanthroline (bathocuproine: BCP) as an electron-transport …
mixed hole transport material as emission layer. The emission layer was mixed with N, N′-
diphenyl-N, N′-(3-methylphenyl)-[1, 1′-biphenyl]-4, 4′-diamine (TPD) as a hole-transport
material, 4, 4′-bis (9-carbazolyl)-biphenyl (CBP) as a host material for a phosphorescent
material, tris (2-phenylpyridine) iridium (Ir (ppy) 3) as a phosphorescent material and 2, 9-
dimethyl-4, 7-diphenyl-1, 10-phenanthroline (bathocuproine: BCP) as an electron-transport …