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A series of KAl(SO 4 ) 2  phosphors with different Eu 3+  doping concentrations have been synthesized by solid-state reaction method. In the present work, the properties of synthesized Eu 3+  doped KAl(SO 4 ) 2  phosphors have been examined by XRD, Photoluminescence (PL), and photometric characterization techniques. Under Near Ultraviolet (NUV) and blue excitation at 395nm and 466nm, PL emission spectra observed at 593nm and 614nm, which are ascribed due to  5 D 0 → 7 F 1  and  5 D 0 → 7 F 2  transition of Eu 3+  ions. The emission band of 614 nm indicates the highest emission intensity compared to the 593 nm emission band. The PL emission spectra depict maximum intensity at 0.7mol% doping of Eu 3+  ions. In addition, the synthesized Eu 3+  activated KAl(SO 4 ) 2  phosphors show good color chromaticity coordinates, which is lies in the orange-red region. All these results indicated that the synthesized Eu 3+  activated KAl(SO 4 ) 2  phosphors have potential results for future work in the field of solid state lighting.

Photoluminescence Properties of Eu3+ doped KAl(SO4)2 Phosphor

Photoluminescence Properties of Eu³⁺ doped KAl(SO4)2 Phosphor