Abstract
Sm3+-doped SrIn2O4 phosphors were prepared by a solution combustion method. The synthesized phosphors were characterized using powder XRD. The excitation and emission spectra of Sm3+-doped SrIn2O4 materials were analyzed at room temperature. SrIn2O4:Sm3+ phosphor emits 568–578, 606–617, 660, and 720 nm light under ultraviolet excitation of 300 nm. The photoluminescence properties of the synthesized phosphors with different Sm3+-doping concentrations were investigated. The optimum concentration of Sm3+ ion in SrIn2O4 was found to be 0.02 mol.
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