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Author(s): |
Jin-liang Zhu, Key Laboratory of Theoretical Chemistry and Molecular Simulation of Ministry of Education, School of Chemistry and ChemicalEngineering, Hunan University of Science and Technology, Xiangtan, China 411201
Sheng-li Liu, Key Laboratory of Theoretical Chemistry and Molecular Simulation of Ministry of Education, School of Chemistry and ChemicalEngineering, Hunan University of Science and Technology, Xiangtan, China 411201
Liang-cai Yu, Key Laboratory of Theoretical Chemistry and Molecular Simulation of Ministry of Education, School of Chemistry and ChemicalEngineering, Hunan University of Science and Technology, Xiangtan, China 411201
Tao Ouyang, Key Laboratory of Theoretical Chemistry and Molecular Simulation of Ministry of Education, School of Chemistry and ChemicalEngineering, Hunan University of Science and Technology, Xiangtan, China 411201 |
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Abstract: |
A new bis-beta-diketone, 2, 6-bis(p-bromobenzoylacetyl)pyridine(H2L) was synthesized. The binary complex, Eu2L3·4H2O, was synthesized. With 1, 10- phenanthroline(Phen) as the second ligand, the ternary complex, Eu2L3(Phen)2, was synthesized. The compounds were characterized by 1H-NMR spectroscopy, MS, IR, DTA-TG and fluorescence spectrum. The fluorescence spectra indicated that the synthesized ligand was a good luminescent material and can transfer the energy absorbed to Eu(III) efficiently to produce the strong luminescence of Eu(III), and the addition of 1,10- phenanthroline as the second ligand can obviously enhance the luminescence of Eu(III) in the ternary complex. It is useful to design rare earth complexes with excellent luminescence properties via the intramolecular energy transfer mechanism and influence of groups we discussed.
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