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Production of Pr₆O₁₁-Doped SrAl₂O₄:Eu²⁺, Dy³⁺, Y³⁺ Yellowish-Green Phosphors and Their Usage in Artistic Glasses
(Anadolu Üniversitesi, 2012)A phenomenon of light emission by certain materials after exposure to an excitation source is called luminescence. Long persistent phosphors are those having very long afterglow emission or phosphorescence, in some cases ...