Abstract
Glasses of the following composition: T glass SiO2, TL glass SiO2/ligand, T-Tb glass SiO2/terbium complex were obtained by the method of acid catalyzed hydrolytic homo- and cocondensation of tetraethoxysilane (the source of SiO2) with 3-(3-triethoxysilylpropyl)pentane-2,4-dione (the ligand) and terbium(III) tris[3-3-triethoxysilylpropyl)pentane-2,4-dionate] (terbium complex). The study of the fluorescence spectra showed that the cationic luminescence is achieved by the excitation of terbium-containing glasses at the absorption band of the ligand (λexc 275–280 nm). Energy transfer from the matrix (SiO2) to the ligand and cation with the following emission of Tb3+ is possible on exciting the T-Tb glass by the light with the wavelength 360 nm. However, this method of generating terbium cation emission seems to be less efficient.
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Original Russian Text © V.V. Semenov, N.V. Zolotareva, G.A. Domrachev, B.A. Bushuk, S.B. Bushuk, 2009, published in Zhurnal Obshchei Khimii, 2009, Vol. 79, No. 12, pp. 1948–1951.
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Semenov, V.V., Zolotareva, N.V., Domrachev, G.A. et al. Photoluminescence of terbium-containing sol-gel glasses. Russ J Gen Chem 79, 2574–2577 (2009). https://doi.org/10.1134/S1070363209120020
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DOI: https://doi.org/10.1134/S1070363209120020