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A series of novel Y2O2S:Dy3+, Mg2+, Si4+ white-light long-lasting phosphors were synthesized by the solid-state reaction method. The Y2O2S:Dy3+, Mg2+, Si4+ phosphors were characterized by X-ray diffraction, photoluminescence and long-lasting phosphorescence spectra, and thermoluminescence curves. The samples doped with different concentrations of Dy3+ ions were composed of the pure Y2O2S phase. Under...
In order to improve the luminescence properties of Y 2 O 2 S: Tb 3+ , Sr 2+ , Zr 4+ , the Eu 3+ ions doped Y 2 O 2 S:Tb 3+ , Sr 2+ , Zr 4+ white-light long-lasting phosphors were synthesized by the solid-state reaction method. The Y 2 O 2 S:Tb 3+ , Eu 3+ , Sr 2+ , Zr ...
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