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稀土铕配合物在荧光防伪油墨中的应用

Journal of Tianjin University of Science & Technology(2012)

Cited 2|Views9
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Abstract
以铕离子(Eu3+)为中心,以苯甲酰丙酮(BZA)、苯甲酸(BA)、邻菲咯啉(Phen)为配体,在无水乙醇中合成了三元配合物Eu(BZA)3Phen与Eu(BA)3Phen.配合物的紫外可见光谱与红外光谱分析表明配体与铕离子发生配位,合成了三元配合物.研究配合物的荧光性能,发现Eu(BZA)3Phen的相对荧光强度大于Eu(BA)3Phen.将荧光强度高的Eu(BZA)3Phen作为荧光剂制备了荧光防伪油墨.荧光防伪油墨的荧光性能显示,油墨与配合物Eu(BZA)3Phen发射波长相同,均为612,nm.荧光防伪油墨在可见光下无色,在紫外灯下呈现红色,可用于防伪包装印刷.
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Key words
rare earth europium complexes,fluorescent property,fluorescent falsification-resistant ink
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