Abstract
Here we used combustion synthesis method for preparation of CaSr2Al2O6 with different rare earth ion such as Tb3+ and Eu3+ ions for the production of white light emission. The entire rare earth ion shows effective luminescence efficiency in aluminate based compounds. Further, prepared phosphor was analyzed by XRD, SEM, FTIR, and CIE with photoluminescence measurment in addition with effect of emission intensity with relative concentration of each activator. In case of Tb3+ activator, we observed the emission intensity at 545 nm for the excitation 380 nm, obtaining prominent green emission while in case of Eu3+ activator concentration quenching occure and obtained emission at 616 nm for excitation 396 nm which could be useful for solid state lighting application. The chromaticity coordinates were observed at for Tb 3+ at 545 nm is (Cx = 0.265, Cy = 0.723) and Eu3+ at 616 nm is (Cx = 0.652, Cy = 0.316).
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Panse, V.R., Yerpude, A.N., Dhoble, S.J. et al. Synthesis and optical characterization of CaSr2Al2O6:RE3+(RE = Eu and Tb) phosphor for solid state lighting. J Mater Sci: Mater Electron 28, 16880–16887 (2017). https://doi.org/10.1007/s10854-017-7606-y
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DOI: https://doi.org/10.1007/s10854-017-7606-y