Spontaneous luminescence of Eu 3+  ions in porous Y 2 O 3  nanospheres

S. V. Zaitsev; Yu. V. Ermolaeva; N. A. Matveevskaya; I. I. Zver’kova; A. V. Tolmachev

doi:10.1134/S0030400X17060236

Spontaneous luminescence of Eu³⁺ ions in porous Y₂O₃ nanospheres

Authors: Zaitsev S.V.¹, Ermolaeva Y.V.², Matveevskaya N.A.², Zver’kova I.I.¹, Tolmachev A.V.²
Affiliations:
1. Institute of Solid State Physics of the Russian Academy of Sciences
2. STC Institute for Single Crystals
Issue: Vol 122, No 6 (2017)
Pages: 906-911
Section: Condensed-Matter Spectroscopy
URL: https://journals.rcsi.science/0030-400X/article/view/165411
DOI: https://doi.org/10.1134/S0030400X17060236
ID: 165411

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Abstract

A study of the luminescence of Eu³⁺ ions in Y₂O₃ nanospheres indicates a significant influence of the porous structure of nanoparticles on the luminescence of dopant ions. It is shown that filling the nanopores of initially porous Y₂O₃ nanospheres shortens the decay time of the spontaneous luminescence of doping europium ions. The change in the decay time is associated with the change in the effective refractive index of the porous nanospheres.