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Photoluminescent and Electroluminescent Properties of Ligand Emitting Y^(3+), La^(3+), Gd^(3+) and Lu^(3+) Complexes

Photoluminescent and Electroluminescent Properties of Ligand Emitting Y^(3+), La^(3+), Gd^(3+) and Lu^(3+) Complexes
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摘要 The photoluminescent (PL) and electroluminescent (EL) properties of a series of ligand emitting rare earth complexes (including Y^(3+), La^(3+), Gd^(3+) and Lu^(3+)) were systematically studied. These complexes have the same anionic ligand, 1-phenyl-3-methyl-4-isobutyryl-5-pyrazoloneate (PMIP), and three neutral ligands, triphenyl phosphine oxide (TPPO), 2, 2′-dipyridine (Bipy) and phenanthroline (Phen). Measured with 60 nm thin film of these complexes vaporized in vacuum on quartz substrates, a good regularity in the PL properties was observed. For rational comparison, the same structural EL devices based on these complexes, ITO/PVK (40 nm)/the complex (80 nm)/Mg: Ag (200 nm)/Ag (100 nm), were fabricated. Excluding the exciplex emission happens, the EL luminance usually increases with the increasing of PL efficiency. The photoluminescent (PL) and electroluminescent (EL) properties of a series of ligand emitting rare earth complexes (including Y^(3+), La^(3+), Gd^(3+) and Lu^(3+)) were systematically studied. These complexes have the same anionic ligand, 1-phenyl-3-methyl-4-isobutyryl-5-pyrazoloneate (PMIP), and three neutral ligands, triphenyl phosphine oxide (TPPO), 2, 2′-dipyridine (Bipy) and phenanthroline (Phen). Measured with 60 nm thin film of these complexes vaporized in vacuum on quartz substrates, a good regularity in the PL properties was observed. For rational comparison, the same structural EL devices based on these complexes, ITO/PVK (40 nm)/the complex (80 nm)/Mg: Ag (200 nm)/Ag (100 nm), were fabricated. Excluding the exciplex emission happens, the EL luminance usually increases with the increasing of PL efficiency.
出处 《Journal of Rare Earths》 SCIE EI CAS CSCD 2004年第2期206-209,共4页 稀土学报(英文版)
基金 ProjectsupportedbytheStateKeyProgramofBasicResearch ( 19980 613 0 8) NHTRDP 863Program 2 0 0 2AA3 2 40 80 theNationalNaturalScienceFoundationofChina ( 2 0 2 2 110 1 5 0 3 72 0 0 2 )
关键词 inorgainc chemistry ligand emitting complex PYRAZOLONE EXCIPLEX electroluminescence rare earths inorgainc chemistry ligand emitting complex pyrazolone exciplex electroluminescence rare earths
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