Journal
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
Volume 276, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.mseb.2021.115564
Keywords
Nanophosphors; XRD; SEM; TEM; UV-Vis spectroscopy; Photoluminescence
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In this study, Nd3+ doped KSrVO4 phosphor was synthesized via combustion synthesis route, and its lattice parameters, morphology, and elemental analysis were investigated. The experiment revealed that nanophosphors doped with 0.05mol% Nd3+ exhibited the strongest emission intensity, suggesting potential use in display applications.
In this study, we have developed Nd3+ doped KSrVO4 synthesized via combustion synthesis route. Herein, we report the variation in the lattice parameters and confirmed the orthorhombic phase for the as-synthesized blank and KSr(1-x)VO4: xNd(3+) (x = 0.0025 - 0.03) phosphor investigated by powder XRD system. The morphology was procured via SEM and TEM and the elemental analysis was carried out with EDAX. UV-Vis spectroscopy showed the variations in the band gap energy values. The Photoluminescence (PL) spectra shows three sharp peaks in the emission spectra located at 424 nm, 486 nm and 507 nm in the visible spectra. As a function of Nd3+ concentration, it was observed that 0.05 mol% Nd3+ doped nanophosphors exhibit the strongest emission intensity. Concentration quenching is induced mainly due to the energy transfer among nearby neighboring ions. The enhanced emission intensity of the phosphor with doping suggests that it may be used in display applications.
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