摘要
A novel organic ligand, 6 (ortho methyl anilino carbonyl) 2 pyridine carboxylic acid (H o MAP), and the corresponding europium complex, tris(6 (ortho methyl anilino carbonyl) 2 pyridine carboxylato) europium (Eu o MAP) were designed and synthesized. The results show that solid Eu o MAP is a conjugated complex, emitting strong red fluorescence dominantly due to a ligand sensitizd luminescence mechanism. The lifetimes of 5D 0 of Eu 3+ in the complex were examined using time-resolved spectroscopic analysis, and the lifetime values were (1.50±0.01) ms for solid Eu(o MAP) 3 and (1.10±0.01) ms for 1.0×10 -5 mol·L -1 Eu(o MAP) 3 ethanol solution, respectively. Thermogravimetric analysis shows that the europium complex has good thermal stability.
A novel organic ligand, 6 (ortho methyl anilino carbonyl) 2 pyridine carboxylic acid (H o MAP), and the corresponding europium complex, tris(6 (ortho methyl anilino carbonyl) 2 pyridine carboxylato) europium (Eu o MAP) were designed and synthesized. The results show that solid Eu o MAP is a conjugated complex, emitting strong red fluorescence dominantly due to a ligand sensitizd luminescence mechanism. The lifetimes of 5D 0 of Eu 3+ in the complex were examined using time-resolved spectroscopic analysis, and the lifetime values were (1.50±0.01) ms for solid Eu(o MAP) 3 and (1.10±0.01) ms for 1.0×10 -5 mol·L -1 Eu(o MAP) 3 ethanol solution, respectively. Thermogravimetric analysis shows that the europium complex has good thermal stability.
基金
ProjectsupportedbytheScientificandTechnologicalProjectofGuangdongProvince (B10 5 0 2 )andtheStateKeyLaboratoryofOptoelectronicMaterialsandTechnologies ( 2 0 0 0 )
