Synthesis and Luminescence of Complexes EuxY1-x(phen)L3
来源期刊：JOURNAL OF RARE EARTHS2002年第5期
论文作者：赵永亮 赵凤英
Key words：rare earths; europium complex; yttrium complex; cinnamic acid; o-phenanthroline;
Abstract: A series of binuclear complexes with different molar ratio of europium to yttrium with cinnamic acid and o-phenanthroline were synthesized in anhydrous alcohol. Elemental analysis shows that the composition of the complexes are EuxY1-x(phen)L3 (L: C6H5CH=CHCOO, x=1.0, 0.7, 0.5, 0.3 and 0.1). The IR absorption spectra indicate that cinnamate is coordinated to the rare earth ions and chemical bonds are formed between rare earth ions and nitrogen atoms of o-phenanthroline. Fluorescent spectra show that the emission of Eu3+ ion can be greatly enhanced if some of europium ions in the complexes are substituted by yttrium ions.
赵永亮1，赵凤英2
(1.College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China;
2.State Key Laboratory of Rare Earth Material Chemistry and Applications, Peking University, Beijing 100871, China)
Abstract:A series of binuclear complexes with different molar ratio of europium to yttrium with cinnamic acid and o-phenanthroline were synthesized in anhydrous alcohol. Elemental analysis shows that the composition of the complexes are EuxY1-x(phen)L3 (L: C6H5CH=CHCOO, x=1.0, 0.7, 0.5, 0.3 and 0.1). The IR absorption spectra indicate that cinnamate is coordinated to the rare earth ions and chemical bonds are formed between rare earth ions and nitrogen atoms of o-phenanthroline. Fluorescent spectra show that the emission of Eu3+ ion can be greatly enhanced if some of europium ions in the complexes are substituted by yttrium ions.
Key words:rare earths; europium complex; yttrium complex; cinnamic acid; o-phenanthroline;
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