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Luminescent Properties of Composite Materials Based on Porous Glasses Activated by Silver and Lanthanum

M. A. Girsova,L. N. Kurilenko,I. N. Anfimova,T. V. Antropova

Glass physics and chemistry（2023）

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Abstract
Composite materials (CMs) based on matrices of high-silica nanoporous glasses activated by silver and lanthanum are synthesized. It is established that, depending on the composition, the CM samples exhibit luminescence in the UV, violet-blue, green, red, and infrared spectral ranges due to the presence of isolated Ag + -ions, Ag + –Ag + paired centers, molecular clusters (MCs) and nanoparticles (NPs) of silver, and oxygen vacancies in La 2 O 3 , together with various silicon defect centers.
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Key words
composite materials,high-silica nanoporous glass,silver,lanthanum,luminescence
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