具有荧光响应的多元可聚合稀土配合物的研制
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摘要
以氧化铕、邻菲啰啉、苯甲酸、丙烯腈为原料,合成了一种具有聚合反应活性的四元铕配合物。研究了氯化铕、邻菲啰啉、丙烯腈物质的量比对产品结构、发光性能、热稳定性以及产率的影响。采用红外光谱、荧光光谱、热失重对产物结构、发光性能、热稳定性进行了表征。结果表明:该铕配合物具有可聚合的能力以及良好的热稳定性。在波长为342nm紫外光激发下,能发射出强烈的,来自于Eu3+离子的特征红光,强度最大的发射峰在615nm。
a tetrabasic europium complex with polymerization activity was synthesized from europium oxide, phenanthroline, benzoic acid and acrylonitrile. The effects of the molar ratio of europium chloride,phenanthroline and acrylonitrile on the structure, luminescence properties, thermal stability and yield of the product were studied. The structure, luminescence properties and thermal stability of the products were characterized by infrared spectrum, fluorescence spectrum and thermogravimetric analysis. The experimental results show that the europium complex has the ability of polymerization and good thermal stability. Under the excitation of 342 nm ultraviolet light at wavelength, it can emit strong characteristic red light from Eu3 ion, and the highest intensity emission can be obtained. The peak is 615 nm.
a tetrabasic europium complex with polymerization activity was synthesized from europium oxide, phenanthroline, benzoic acid and acrylonitrile. The effects of the molar ratio of europium chloride,phenanthroline and acrylonitrile on the structure, luminescence properties, thermal stability and yield of the product were studied. The structure, luminescence properties and thermal stability of the products were characterized by infrared spectrum, fluorescence spectrum and thermogravimetric analysis. The experimental results show that the europium complex has the ability of polymerization and good thermal stability. Under the excitation of 342 nm ultraviolet light at wavelength, it can emit strong characteristic red light from Eu3 ion, and the highest intensity emission can be obtained. The peak is 615 nm.
引文
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[2]胡建国,季彬,李时,等.稀土高分子发光材料的研究进展[J].化工技术与开发,2016,45(10):40-42.
[3]吴泽钦,韩相恩,苏鑫,等.稀土配合物发光材料的研究进展[J].化工中间体,2011(8):9-15.
[4]潘远凤,郑安呐,胡福增,等.稀土高分子发光材料研究的新进展[J].功能高分子学报,2006,32(1):571-573.
[5]刘煜.铕配合物发光材料的设计合成及其性能研究[D].湘潭大学博士论文,2007.
[6]李潇,唐建国,王瑶,等.聚苯乙烯-聚4-乙烯基吡啶-稀土铕(Ⅲ)发光配合物的微观结构及荧光性能表征[J].当代化工,2017,46(4):584-586.
[7]瑙莫汗.键合型稀土高分子发光材料的制备与性能研究[D].内蒙古大学硕士学位论文.2007.
[8]秦建芳,黄健,曹新录,等.稀土铕三元配合物-苯乙烯共聚物的合成和荧光性能研究[J].临沂师范学院学报,2008,30(3):63-65.
[9]储阳.稀土铕、铽丙烯酸酯基质的荧光材料的制备与性能研究[D].苏州大学硕士学位论文,2017.
[10]任宁.苯甲酸及其衍生物与邻菲罗啉钐配合物的合成,晶体结构和热分解反应动力学研究[D].河北师范大学硕士学位论文,2006.
[11]祁晓霞.稀土芳香羧酸配合物的合成、晶体结构、热分解机理及性能研究[D].河北师范大学硕士学位论文,2013.