Abstract
Spherical nanocrystalline Y2O3:Er particles differing in composition and size, with a scatter in the range 10–15%, have been prepared through the low-temperature thermolysis of an amorphous precursor. We have studied the luminescence, diffuse reflectance, and photoluminescence excitation spectra of Y2O3:Er nanoparticles differing in shape. The intensity of the visible luminescence bands of erbium-doped yttria has been shown to depend on sphere diameter. The resonance wavelengths of coupled photons have been determined as functions of Y2O3:Er phosphor nanosphere size.
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Original Russian Text © A.N. Gruzintsev, Yu.V. Ermolaeva, N.A. Matveevskaya, A.S. Bezkrovnyi, A.V. Tolmachev, G.A. Emel’chenko, 2014, published in Neorganicheskie Materialy, 2014, Vol. 50, No. 11, pp. 1189–1194.
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Gruzintsev, A.N., Ermolaeva, Y.V., Matveevskaya, N.A. et al. Size-dependent luminescence of spherical Y2O3:Er nanoparticles. Inorg Mater 50, 1099–1103 (2014). https://doi.org/10.1134/S0020168514100094
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DOI: https://doi.org/10.1134/S0020168514100094