Photochemical Properties of Europium(III) Methylbenzoates

被引：1

作者：

Kalinovskaya, I., V ^{[1
]}

Zadorozhnaya, A. N. ^{[2
]}

机构：

[1] Russian Acad Sci, Inst Chem, Far Eastern Branch, Vladivostok 690022, Russia

[2] Pacific State Med Univ, RF Minist Hlth, Vladivostok 690002, Russia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2022年 / 96卷 / 10期

关键词：

luminescence; europium compounds; luminescence excitation spectrum; LANTHANIDE COMPLEXES; CRYSTAL-STRUCTURE; ACID; KINETICS; PHENANTHROLINE; LUMINESCENCE; FLUORESCENT; IR;

D O I：

10.1134/S0036024422100119

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A study is performed of the spectral luminescence of complex compounds of europium(III) with o-methylbenzoic acid and nitrogen- and phosphorus-containing neutral ligands of o- and m-methylbenzoic acids. An analysis is made of the spectra of electronic absorption, luminescence excitation, and the Stark structure of D-5(0)-F-7(j) (j = 0-2) electronic transitions in the low-temperature luminescence spectra of complex mixed-ligand europium(III) o-methylbenzoates. It is established that the energy of excitation is transferred to the europium(III) ion from the levels o-methylbenzoic acid and nitrogen- and phosphorus-containing neutral ligands. A comparative analysis of luminescent parameters is performed for m- and o-europium(III)-methylbenzoates. It is shown that the luminescence of o-methylbenzoates of europium(III) is higher than that of m-europium(III)-methylbenzoates.

引用

页码：2272 / 2276

页数：5

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