Structural analysis and luminescence studies of Eu3+ doped magnesium borophosphate ceramic
DOI:
https://doi.org/10.11113/mjfas.v16n5.1941Keywords:
luminescence, rare-earths, borophosphate, ceramic, europiumAbstract
This paper reports a modified optical properties of Europium (Eu3+) ions doped magnesium borophosphate (MBP) ceramic synthesized via solid state reaction method at 900 °C for 5 hours. The influences of varying Eu2O3 concentrations on structural and optical properties are determined. Crystalline phases of the ceramic sample were characterized using X-ray Diffraction. XRD pattern revealed that the prepared MBP ceramic existed in polycrystalline phase of B(PO4), Mg(PO3)2 and Mg3(BO3)(PO4). FTIR spectra displayed the presence of P-O stretching modes of P-O-P, P=O and PO4 unit, BO3 trigonal pyramidal and BO4 trigonal bipyramidal bonding vibrations. The emission spectra of ceramic samples revealed four prominent peaks centred at 593 nm, 613 nm, 657 nm and 700 nm which were assigned to the transition from 5D0-7FJ (J= 1, 2, 3, 4) states of Eu3+ ion. The 1.5 mol % of Eu3+ doped MBP ceramic showed an intense luminescence with a very sharp peak dominated by the 5D0-7F1 transition at 593 nm.
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