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Luminescence of Sm3+ Ions Sensitized by the TiО2 Matrix
Abstract
Ti1–xSmxO2–x/2 (x = 0.025, 0.05, and 0.1) solid solutions with anatase structure were synthesized by the precursor method and characterized by X-ray diffraction and scanning electron microscopy. Titanium glycolate Ti(OCH2CH2O)2, in which Ti was partially replaced by Sm, was used as a precursor. At room temperature upon 350 nm excitation, solid solutions Ti1–xSmxO2–x/2 exhibit intense reddish-orange luminescence. The luminescence properties of compounds were studied based on the f5 -intraconfigurational transitions of samarium. For Ti1–xSmxO2–x/2, the highest luminescence intensity is achieved at x = 0.05. The chromaticity coordinates and the correlated color temperature values are close to those that are typical for red phosphors.
About the Authors
I. V. Baklanova
Institute of Solid State Chemistry, Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Ekaterinburg
V. N. Krasil’nikov
Institute of Solid State Chemistry, Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Ekaterinburg
A. P. Tyutyunnik
Institute of Solid State Chemistry, Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Ekaterinburg
Ya. P. Baklanova
Institute of Solid State Chemistry, Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Ekaterinburg
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Review
For citations:
Baklanova I.V., Krasil’nikov V.N., Tyutyunnik A.P., Baklanova Ya.P. Luminescence of Sm3+ Ions Sensitized by the TiО2 Matrix. Zhurnal Prikladnoii Spektroskopii. 2024;91(1):15-21. (In Russ.)
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