Abstract
ABSTRACT The solution combustion route is used to synthesize a series of MgP2O6:Tb3+(0.5–3.5 mole %) phosphors. X-ray diffraction and Rietveld refinement analysis have verified the crystal purity (monoclinic symmetry) with space group P21/n and refined lattice parameters (a = 11.12 Å, b = 8.268 Å, and c = 9.902 Å), respectively. The excitation and emission features of the synthesized material (luminescent properties) are monitored using photoluminescence spectroscopy. The emission spectrum, recorded at excitation 215 nm, shows the most prominent emission peak at 545 nm, which is responsible for green colour emission. The CIE coordinates indicate that phosphors emit in the green light region. The synthesized material has conventional application in solid-state lighting under UV excitation (215 nm).
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