Abstract
In this research terbium-doped strontium aluminate SrAl4O7 samples were synthesized using solid-state synthesis method. X-Ray powder diffraction (XRD) and photoluminescence (PL) measurements were applied for sample characterization. All of them exhibited yellowish-green emission with highest peak at 542 nm attributable to 5D4 →7F5 transition. The highest emission intensity was observed in Sr0.98Al4O7:Tb0.02 sample while higher doping levels resulted in decrease of the PL intensities due to concentration quenching. Samples with additional IA group ions for charge compensation were also prepared and their PL properties were measured.
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