Fig. 1. XRD patterns and SEM image of α-Al₂O₃

Fig. 2. XRD patterns and Crystal structure of Y_2.93Al₅O₁₂∶0.07Ce³⁺ phosphors

Fig. 3. Images of Y_2.93Al₅O₁₂∶0.07Ce³⁺ phosphors (a)FESEM, (b)EDX, (c—f)Mapping

Fig. 4. Excitation and Emission spectrum of Y_2.93Al₅O₁₂∶0.07Ce³⁺ phosphor

Fig. 5. Luminescence mechanism of Y_2.93Al₅O₁₂∶0.07Ce³⁺ phosphor