Abstract
A solution combustion route for the synthesis of Eu3+-activated M2V2O7 (M = Sr, Ba) and their luminescent properties have been investigated. Structure and luminescent characteristics of Sr2V2O7:Eu3+ and Ba2V2O7:Eu3+ nanophosphors have been studied by x-ray diffraction, scanning electron microscopy, transmission electron microscopy, fluorescence spectrometry and Fourier transform infra-red spectroscopy. The incorporation of Eu3+ activator in these nanoparticles has been checked by luminescence characteristics. These nanoparticles have displayed red color under a UV source which is due to characteristics transition of Eu3+ from 5D0 → 7F2 at 613 nm in both Sr2V2O7:Eu3+ and Ba2V2O7:Eu3+ nanophosphors. In addition, the optimal Eu3+ - doped contents of Sr2(1-x)Eu2xV2O7 and Ba2(1-x)Eu2xV2O7 nanophosphors for both were 4 mol%.
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One of the authors Ms. Sheetal gratefully acknowledges the financial support in the form of JRF (UGC) New Delhi.
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Sheetal, Taxak, V.B. & Khatkar, S.P. Synthesis and Luminescent Properties of M2V2O7: Eu (M=Sr, Ba) Nanophosphors. J Fluoresc 22, 891–897 (2012). https://doi.org/10.1007/s10895-011-1027-8
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DOI: https://doi.org/10.1007/s10895-011-1027-8