Preparation of luminescent polystyrene microspheres via surface-modified route with rare earth(Eu^(3+) and Tb^(3+))complexes linked to 2,2'-bipyridine  

作　　者：Zhen-Xiong Ma Qi-Tao Zhang Jun-Liang Liu Chang-Hao Yan Ming Zhang Teruhisa Ohno 

机构地区：[1]School of Chemistry and Chemical Engineering, Yangzhou University [2]Department of Applied Chemistry, Faculty of Engineering,Kyushu Institute of Technology [3]School of Chemical Engineering, Yangzhou Polytechnic Institute

出　　处：《Rare Metals》2015年第8期590-594,共5页稀有金属（英文版）

基　　金：financially supported by the National Natural Science Fundation of China (No.50873085)

摘　　要：Luminescent polystyrene microspheres were easily fabricated from poly(styrene-co-methacrylic acid)and aqueous RE(III) chloride solution(RE=Eu, Tb) in the presence of 2,20-bipyridine as second ligand. The negative charges of carboxyl groups on the surface of microspheres coordinated with rare earth ions at first, such as complexes covalently linked to 2,20-bipyridine, resulting in strong photoluminescence. Various methods, including transmission electron microscope(TEM), scanning electron microscope(SEM), energy dispersive spectroscopy(EDS),Fourier transform infrared spectroscopy(FT-IR), and fluorescence spectrophotometer, were used to characterize the resultant polystyrene composite microspheres. This work highlights the idea that it is facile to synthesis luminescent microspheres by surface-modified method directly.Luminescent polystyrene microspheres were easily fabricated from poly(styrene-co-methacrylic acid)and aqueous RE(III) chloride solution(RE=Eu, Tb) in the presence of 2,20-bipyridine as second ligand. The negative charges of carboxyl groups on the surface of microspheres coordinated with rare earth ions at first, such as complexes covalently linked to 2,20-bipyridine, resulting in strong photoluminescence. Various methods, including transmission electron microscope(TEM), scanning electron microscope(SEM), energy dispersive spectroscopy(EDS),Fourier transform infrared spectroscopy(FT-IR), and fluorescence spectrophotometer, were used to characterize the resultant polystyrene composite microspheres. This work highlights the idea that it is facile to synthesis luminescent microspheres by surface-modified method directly.

关 键 词：LUMINESCENT POLYSTYRENE TERBIUM EUROPIUM 2 2’-bipy 

分 类 号：O641.4[理学—物理化学] O77[理学—化学]