Synthesis and fluorescent properties of europium complexes with amide-type podand ligands of methyl salicylate |
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| Authors: | Yanhong Liu Wei He Zehui Yang Yanwen Chen Xinwei Wang Ling Shi Dongcai Guo |
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| Institution: | 1.School of Chemistry and Chemical Engineering,Hunan University,Changsha,People’s Republic of China;2.School of Chemical Engineering,Ningbo University of Technology,Ningbo,People’s Republic of China;3.Hunan Labour Protection Institute of Nonferrous Metals,Changsha,People’s Republic of China |
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| Abstract: | Amide-type podands derived from N,N′-(ethane-1,2-diyl)bis(2-hydroxybenzamide) and 2-chloro-N-phenylacetamide (substituted with methyl, methoxy, chlorine, nitrogen) were synthesized. Solid complexes of europium nitrate with podands were also synthesized and characterized by elemental analysis, ethylenediaminetetraacetic acid (EDTA) titrimetric analysis, thermal analysis, molar conductivity analysis, and infrared (IR) and ultraviolet–visible (UV–Vis) spectra analysis. The fluorescent properties of the europium(III) Eu(III)] complexes in a solid state were also investigated. Under excitation of UV light, target Eu(III) complexes exhibited characteristic europium ion emissions. The influence of the substituent on the fluorescence intensity was discussed. Electrochemical properties were also investigated and discussed. |
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