Journal
JOURNAL OF LUMINESCENCE
Volume 145, Issue -, Pages 232-236Publisher
ELSEVIER
DOI: 10.1016/j.jlumin.2013.07.027
Keywords
LuPO4-Ce nanoparticles; Synchrotron radiation; Decay kinetics; X-ray excited luminescence; Emission and luminescence excitation spectra
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Funding
- 7th FP [266531]
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Study of the spectral-luminescence parameters of LuPO4-Ce nanoparticles upon the excitation by X-ray quanta and synchrotron radiation with photon energies of 4-25 eV was performed. Nanoparticles with mean size about alpha=35 nm and nanoparticles with size less than 12 nm reveal the different structures of cerium centers. Luminescence efficiency of LuPO4-Ce nanoparticles of alpha < 12 nm size strongly decreases upon the excitation in the range of band-to-band transitions as well as in the case of X-ray excitation. (C) 2013 Elsevier B.V. All rights reserved.
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