Abstract
Composite materials (CMs) activated by silver and lanthanum ions based on high-silica porous glass (PG) matrices have been synthesized. The CMs were studied by IR spectroscopy in the narrow frequency range of 1000–400 cm–1 at room temperature. The bands corresponding to the Ag–O, Ag–O–Ag, O–Ag–O, La–O–H, and La–O bonds vibrations were detected on the infrared transmission spectra of the CMs. In addition, bands corresponding to the presence of Ag2O, La2O3 were found. Accordingly the energy-dispersive X-ray spectroscopy method the lanthanum and silver are evenly distributed throughout the thickness of the samples.
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ACKNOWLEDGMENTS
Authors thank A.V. Antonov, research associate at the A.P. Karpinsky Russian Geological Research Institute (St. Petersburg, Russia), for analyzing the composite materials by energy-dispersive X-ray spectroscopy.
Funding
This work was supported by the Ministry of Science and High Education of the Russian Federation as part of the state assignment of the Institute of Silicate Chemistry, Russian Academy of Sciences (project АААА-А19-119022290087-1).
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Girsova, M.A., Golovina, G.F., Kurilenko, L.N. et al. Infrared Spectroscopy Study of Composite Materials Based on Nanoporous High-Silica Glasses Activated with Silver and Lanthanum Ions. Glass Phys Chem 47 (Suppl 1), S36–S40 (2021). https://doi.org/10.1134/S1087659621070051
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DOI: https://doi.org/10.1134/S1087659621070051