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铕-苯并二氢吡喃酮类配合物的合成与荧光性质
作者:钟朱惠 赵学辉 马昆鹏   
单位:(湖南工业大学 生物医用纳米材料与器件重点实验室 湖南 株洲 412007) 
关键词:3-苯甲酰基-2-庚基苯并二氢吡喃-4-酮(L1) 3-苯甲酰基-2-苯基苯并 二氢吡喃-4-酮(L2)  荧光性质 
分类号:O614.33
出版年,卷(期):页码:2019,47(7):0-0
DOI:
摘要:

 合成了3-苯甲酰基-2-庚基苯并二氢吡喃-4-酮 (L1)、3-苯甲酰基-2-苯基苯并二氢吡喃-4-酮 (L2) 2种配体。分别以L1和L2为第1配体,水为第2配体在溶剂乙醇中与EuCl3反应(pH = 7~8),合成了2种新的稀土配合物。运用元素分析、红外光谱、荧光光谱、热重分析和扫描电子显微镜对相关物质进行了表征。结果表明:2种配合物的组成分别为Eu(L1)3•2H2O和Eu(L2)3•2H2O;荧光光谱表明,2种配合物都能发出很强的铕离子特征荧光,其中配合物Eu(L2)3•2H2O的荧光强度更强,具有更好的荧光性能。

 Ligands of 3-benzoyl-2-heptylchroman-4-one (L1), and 3-benzoyl-2-phenylchroman-4-one (L2) were synthesized. Two complexes were synthesized via the reaction of L1 and L2 as the first ligand and water as the second ligand with EuCl3 in alcohol solution (pH = 7–8). The related substances were characterized by elemental analysis, infrared spectroscopy, fluorescence spectroscopy, thermogravimetric analysis and scanning electron microscopy. The results show that the composition of two complexes is Eu(L1)3•2H2O and Eu(L2)3•2H2O, respectively. It is indicated that these two complexes can emit the intense characteristic fluorescence of europium ions, in which the fluorescent intensity of the complexes of Eu(L2)3•2H2O is more intense, and has better fluorescent properties.

基金项目:
湖南省自然科学基金面上项目(2018JJ2089)。
作者简介:
参考文献:

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