PVA-Sm(Ⅲ)、Eu(Ⅲ)的合成及荧光性质  

Synthesis and luminescence studies of poly(Vinyl Acetate)-Sm(Ⅲ) Eu(Ⅲ) coordination compound

作　　者：何苏皖[1] 陶庭先[1] 

机构地区：[1]安徽工程大学生物与化学工程学院,安徽芜湖241000

出　　处：《安徽工程大学学报》2011年第1期14-16,共3页Journal of Anhui Polytechnic University

基　　金：国家自然科学基金资助项目(20771002)

摘　　要：以聚乙烯醇(PVA)为高分子配体,分别与SmCl3、EuCl3在水溶液中进行配位反应,合成PVA-Sm(Ⅲ),PVA-Eu(Ⅲ)配合物.用电导率法研究PVA-Sm(Ⅲ),PVA-Eu(Ⅲ)配合物最佳反应条件,并通过荧光光谱及红外光谱对产物进行分析.实验结果表明,最佳物料投放比为PVA:Sm3+=4∶1,PVA:Eu3+=6∶1,该反应在非碱性溶液中搅拌2 h为最佳.荧光光谱显示:PVA-Sm(Ⅲ),PVA-Eu(Ⅲ)配合物具有荧光特性,都在286 nm左右产生荧光,其荧光主要表现为配体的特征荧光,金属离子对其起增强作用.As the PVA polymer ligands,PVA-Sm（Ⅲ）and PVA-Eu（Ⅲ） were synthesized by the reaction with the rare earth ion Sm3＋ and Eu3＋ in aqueous solution.The conditions of synthesis were investigated by electric conductivity method.The products were analyzed by fluorescence spectra and Infrared Spectra.The results showed that,PVA：Sm3＋=4∶1,PVA：Eu3＋=6∶1 and reaction time is 2 hours in neutral or acid solution.PVA-Sm（Ⅲ）,PVA-Eu（Ⅲ） complexes have fluorescence peaks at 286nm,the peaks were mainly the character luminescence peak of ligands and metal ions strengthened the peak.

关 键 词：聚乙烯醇 荧光 钐 铕 

分 类 号：O641.4[理学—物理化学]