Luminescence and Light-Resistance Features of Mixed Europium-Gadolinium Complexes in Polymer Films

被引：0

作者：

Mardaleishvili, I. R. ^{[1
]}

Zaichenko, N. L. ^{[1
]}

Koltsova, L. S. ^{[1
]}

Shienok, A. I. ^{[1
]}

Levin, P. P. ^{[2
]}

Ivanov, V. B. ^{[1
]}

机构：

[1] Russian Acad Sci, Semenov Fed Res Ctr Chem Phys, Moscow 119991, Russia

[2] Russian Acad Sci, Emanuel Inst Biochem Phys, Moscow 119991, Russia

来源：

HIGH ENERGY CHEMISTRY | 2023年 / 57卷 / 03期

关键词：

chelate complexes; europium; gadolinium; polymers; luminescence; light resistance; EU3+; GD3+;

D O I：

10.1134/S0018143923030098

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：

The effect of gadolinium on the luminescence of europium in mixed complexes with thenoyltrifluoroacetylacetone and 1,10-phenanthroline in poly(methyl methacrylate) and polyethylene films has been studied. The scale of change in light resistance with varying the proportion of gadolinium and the concentration of the complex in the polymer has been estimated. An increase in the relative intensity of luminescence in polyethylene with an increase in the proportion of gadolinium in the complexes has been revealed, the magnitude of which corresponds to a similar effect for complexes in the crystalline state. This effect is absent in poly(methyl methacrylate) films; however, the presence of gadolinium lowers the rate of decrease in luminescence intensity during photolysis.

引用

页码：186 / 191

页数：6

共 10 条

[1] Luminescence and Light-Resistance Features of Mixed Europium–Gadolinium Complexes in Polymer Films
I. R. Mardaleishvili
N. L. Zaichenko
L. S. Koltsova
A. I. Shienok
P. P. Levin
V. B. Ivanov
High Energy Chemistry, 2023, 57 : 186 - 191
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