Luminescent Properties of Europium(III), Gadolinium(III), and Terbium(III) Complexes with Alkyloxybenzoic Acids

被引：0

作者：

F. A. Kolokolov

M. A. Magomadova

Kh. K. Shapieva

V. T. Panyushkin

机构：

[1] Kuban State University,

[2] Chechen State University,undefined

来源：

Journal of Applied Spectroscopy | 2019年 / 86卷

关键词：

luminescence; excited triplet level energy; alkyloxybenzoic acid; lanthanides;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Luminescent properties of europium(III), gadolinium(III), and terbium(III) complexes with 4-dodecyl- and 4-octadecyloxybenzoic acids were studied. Energies of excited triplet states of the acid anions (T1) were determined from phosphorescence spectra of the Gd(III) complexes measured at 77 K. The luminescence mechanism found that intramolecular energy transfer from the organic ligand to the lanthanide ion was effective for the Eu(III) complexes. Complexes of composition LnL3Phen, where Phen is 1,10-phenanthroline, were prepared to increase the luminescence intensity of the Tb(III) complexes. Experimental spectra showed that the integrated luminescence intensity of Tb3+ in TbL3Phen increased as compared with TbL3.

引用

页码：321 / 324

页数：3

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