一种稀土铕配合物的合成及其发光性能研究  

Preparation and Luminescence Properties of a Europium Complex

作　　者：陈柳豪 丁正松 刘丰祎[1] Chen Liuhao;Ding zhengsong;Liu Fengyi(College of Chemistry and Chemical Engineering,Yunnan Normal University,Kunming 650500,China)

机构地区：[1]云南师范大学化学化工学院,云南昆明650500

出　　处：《云南化工》2024年第2期55-57,共3页Yunnan Chemical Technology

基　　金：云南省中青年学术技术带头人后备人才项目(2012HB013)。

摘　　要：以2,6-吡啶二羧酸(2,6-H 2pdc)、β-苯乙胺(PEA)和稀土离子Eu(Ⅲ)为原料,采用溶剂挥发法在室温下制备了一种新型的Eu(2,6-Hpdc)_(3)(H_(2)O)_(2)(PEA)_(2)晶体。采用单晶X射线衍射、XRD、TGA、荧光光谱等方法对所制备的配合物进行了表征和分析。结果表明晶体数据的模拟衍射图与实验测得的粉末X射线高度吻合,证实合成的样品具有很好的相纯度。热重分析结果表明该配合物具有良好的热稳定性。Eu 3+配合物的荧光光谱表明,配合物具有稳定而强的发光特性。利用该配合物在酸碱蒸汽中的荧光开/关特性,制备了一种具有防伪效果的墨水,表明该类配合物在防伪领域具有潜在的应用前景。In this paper,a novel europium complex[Eu(2,6-Hpdc)_(3)(H_(2)O)_(2)(PEA)_(2)]was prepared by solvent evaporation method at room temperature using 2,6-pyridine dicarboxylic acid(2,6-H 2pdc),β-phenethylamine(PEA)and rare earth ion Eu(Ⅲ)as raw materials.The title complex was characterized and analyzed by XRD,TGA,single crystal X-ray diffraction and fluorescence spectrum.The results showed that the simulated X-ray diffraction was in good agreement with the experimental PXRD,which confirmed that the synthesized sample had high phase purity.The thermogravimetric analysis result showed that the complex had good thermal stability.The fluorescence spectra of this complex showed stable and strong luminescence.The complex exhibited excellent fluorescence on/off characteristics under the acid/base vapor environment,showing that it may be used as anti-counterfeiting ink.This complex has great potential in the field of anti-counterfeiting.

关 键 词：2 6-吡啶二羧酸 稀土铕 配合物 防伪 晶体 

分 类 号：O627[理学—有机化学]