Abstract
Phosphates Ca9Gd1–xTbx(PO4)7 with whitlockite structure are prepared for the first time by the solid-phase method. The obtained compounds are studied by a number of methods such as XRD, second-harmonic generation, luminescence spectroscopy. It is shown that a continuous series of solid solutions up to x = 1.0 is formed. The samples show intense luminescence; the resulting color coordinates belong to the green region. The measured quantum yields exceed those of commercial green phosphors. The processes of luminescence quenching in solid solution are investigated.
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Russian Text © The Author(s), 2021, published in Zhurnal Strukturnoi Khimii, 2021, Vol. 62, No. 10, pp. 1725-2735.https://doi.org/10.26902/JSC_id85821
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Nikiforov, I.V., Deyneko, D.V., Duskaev, I.F. et al. GREEN LUMINOPHORS IN THE FAMILY OF PHOSPHATES WITH WHITLOCKITE STRUCTURE. J Struct Chem 62, 1621–1630 (2021). https://doi.org/10.1134/S0022476621100176
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DOI: https://doi.org/10.1134/S0022476621100176