Preparation, Photo and Electroluminescence Properties of Novel Rare Earth Aromatic Carboxylates
来源期刊：JOURNAL OF RARE EARTHS2002年第4期
论文作者：梁玉军 郑佑轩 林君 张洪杰 符连社 林秦
Key words：rare earths; europium ion; terbium ion; acetylsalicylic acid;
Abstract: Novel soluble rare earth aromatic carboxylates were prepared. The triplet energy level of organic ligand was measured. The photoluminescence properties of the Tb3+ and Eu3+ aromatic carboxylates and lifetimes were investigated, which indicated that these rare earth complexes have high quantum efficiency. Because of their excellent solubility, polymer-doping rare earth carboxylates were fabricated as thin films by spin-coating method and their luminescence properties were studied. Some rare earth organic light-emitting diodes were successfully fabricated which performed high pure color. The maximum luminance of the device of ITO/PVK/PVK∶Tb(AS)3Phen∶PBD/PBD/Al is 32 cd*m-2 at 28 V.
梁玉军1，郑佑轩1，林君1，张洪杰1，符连社1，林秦1
(1.Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China)
Abstract:Novel soluble rare earth aromatic carboxylates were prepared. The triplet energy level of organic ligand was measured. The photoluminescence properties of the Tb3+ and Eu3+ aromatic carboxylates and lifetimes were investigated, which indicated that these rare earth complexes have high quantum efficiency. Because of their excellent solubility, polymer-doping rare earth carboxylates were fabricated as thin films by spin-coating method and their luminescence properties were studied. Some rare earth organic light-emitting diodes were successfully fabricated which performed high pure color. The maximum luminance of the device of ITO/PVK/PVK∶Tb(AS)3Phen∶PBD/PBD/Al is 32 cd*m-2 at 28 V.
Key words:rare earths; europium ion; terbium ion; acetylsalicylic acid;
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