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We have synthesized and investigated a series of yellow-emitting high-Ba3P4O13:Eu2+ phosphors, showing an extreme broad band at around 587nm, with a full width at half maximum of about 175nm, which is attributed to the 5d-4f transition of Eu2+ under near ultraviolet excitation. This phosphor shows good absorption in the near ultraviolet range and nearly no absorption in the blue region. The concentration...
Green emitting NaBaScSi2O7:Eu2+/Eu2+, Nd3+ phosphors are prepared by a solid state reaction under a reductive atmosphere. The introduction of Nd3+ ion, which acts as trap center, largely extends the thermoluminescence characteristics and evidently enhances the long lasting phosphorescence and optically stimulated luminescence properties of the phosphors. The persistent green emission of the co-doped...
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