Phase composition and optical properties of composite materials doped by silver bromide and Ce3+or Er3+ions

被引：6

作者：

Girsova, M. A. ^{[1
]}

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

Anfimova, I. N. ^{[1
]}

Arsent'ev, M. Yu ^{[1
]}

Dikaya, L. F. ^{[1
]}

Semenova, E. A. ^{[1
]}

机构：

[1] Russian Acad Sci, IV Grebenshchikov Inst Silicate Chem, 2 Nab Makarova, St Petersburg 199034, Russia

来源：

RUSSIAN CHEMICAL BULLETIN | 2020年 / 69卷 / 05期

关键词：

nanoporous glasses; composite materials; silver bromide; erbium; cerium; X-ray powder diffraction technique; energy-dispersive X-ray spectroscopy; UV-Vis-NIR spectroscopy; SPECTRAL PROPERTIES; SILICATE-GLASSES; POROUS GLASSES; HEAT-TREATMENT; ION-EXCHANGE; LUMINESCENCE; NANOPARTICLES; NANOCLUSTERS; ENHANCEMENT; FABRICATION;

D O I：

10.1007/s11172-020-2849-9

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Composite materials (CMs) were synthesized on the basis of nanoporous silicate glasses (PGs) with small additives of P(2)O(5)and fluoride ions doped by silver bromide in the presence or in the absence of cerium or erbium. The obtained CMs were characterized by a complex of methods (X-ray powder diffraction (XRD) technique, energy-dispersive X-ray spectroscopy, and UV-Vis-NIR spectroscopy). According to the XRD data, the CMs contain the cubic phases of AgBr (No. 01-071-3754) and KBr (No. 01-089-3620). It was foundby energy-dispersive X-ray spectroscopy that the concentrations of oxygen, silicon, potassium, and silver are uniformly distributed over the whole thickness of the samples. The optical properties of the CMs depending on their composition and heat treatment temperature (in the range from 120 to 870 degrees C) were compared. The absorption bands characteristic of molecular clusters and nanoparticles of silver, as well as cerium and erbium ions were revealed.

引用

页码：920 / 925

页数：6

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