Synthesis and fluorescent properties of europium complexes with amide-type podand ligands of methyl salicylate

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• 作者：Yanhong Liu ; Wei He ; Zehui Yang ; Yanwen Chen…
• 关键词：Podand ; Rare earth complexes ; Fluorescent properties
• 刊名：Research on Chemical Intermediates
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：42
• 期：2
• 页码：425-438
• 全文大小：544 KB
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• 作者单位：Yanhong Liu (1)
  Wei He (1)
  Zehui Yang (2)
  Yanwen Chen (3)
  Xinwei Wang (1)
  Ling Shi (1)
  Dongcai Guo (1)
  
  1. School of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, People’s Republic of China
  2. School of Chemical Engineering, Ningbo University of Technology, Ningbo, 315016, People’s Republic of China
  3. Hunan Labour Protection Institute of Nonferrous Metals, Changsha, 410014, People’s Republic of China
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Catalysis
  Physical Chemistry
  Inorganic Chemistry
  
• 出版者：Springer Netherlands
• ISSN：1568-5675

文摘

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.