Abstract
Nanocrystalline SrCO3:Tb3+ phosphor layers were coated on monodisperse and spherical polystyrene particles by a typical hydrothermal synthesis without further annealing treatment, resulting in the formation of core-shell-structured polystyrene@SrCO3:Tb3+ particles. X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, photoluminescence, as well as lifetimes were employed to characterize the resulting composite particles. Under ultraviolet excitation, the polystyrene@SrCO3:Tb3+ phosphors show the characteristic 5D4–7FJ (J = 6, 5, 4, 3) emission lines with green emission 5D4–7F5 (544 nm) as the most prominent group. The obtained core-shell phosphors are potentially applied in fluorescent lamps.
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This project is financially supported by the Training Fund of NENU’S Scientific Innovation Project (NENU-STC07014).
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Zhang, Y.Y., Liu, J.L., Zhu, Y.X. et al. Hydrothermal synthesis and luminescence properties of core-shell-structured PS@SrCO3:Tb3+ spherical particles. J Mater Sci 44, 3364–3369 (2009). https://doi.org/10.1007/s10853-009-3439-2
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DOI: https://doi.org/10.1007/s10853-009-3439-2