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Alkali earth selenide phosphor, SrSe:Eu 2+ and Sr 1−x Zn x Se:Eu 2+ , was prepared using a solid-state chemical reaction method. The synthesized phosphor displayed a broad excitation band, which is suitable for blue or near UV LED applications and emits green light (563nm). Zn 2+ substitution for Sr 2+ greatly enhances the green emission of the phosphors...
The UV excited green emitting Eu 2+ -activated BaAl 2 O 4 and SrAl 2 O 4 phosphors were prepared by ultrasonic spray pyrolysis at low temperature. The morphologies of phosphors were spherical and ∼1μm size with non-aggregation. The BaAl 2 O 4 :Eu 2+ and SrAl 2 O 4 :Eu 2+ were efficiently excited under UV range...
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