Abstract

In this work, we report the synthesis and characterization of rare-earth doped strontium aluminate phosphors of the formula Sr0.95Eu0.05-xDyxAl2O4 [x = 0.05, 0.025]. These aluminate phosphor prepared by chemical combustion method and were characterized for structural studies using X-ray diffraction and Raman techniques. XRD spectral studies of the samples under observation reveal the crystallization of these compounds into single monoclinic phase exhibiting space group P21/n. The monoclinic phase formation was witnessed from the fingerprint mode of vibration in Raman inelastic spectra The PL studies of these phosphors convey the emission in blue region by Dy3+ doped SrAl2O4 whereas emission by Eu3+ and Eu3+/Dy3+ doped lies in the orange-red region.

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