Spectroscopic investigation on color-tunable luminescence of Samarium doped BaMg2V2O8 phosphor

Jeena Rose Jose; P. R. Biju

doi:10.1117/12.2669980

11 May 2023 Spectroscopic investigation on color-tunable luminescence of Samarium doped BaMg₂V₂O₈ phosphor

Jeena Rose Jose, P. R. Biju

Proceedings Volume 12638, Women in Optics and Photonics in India 2022; 126380J (2023) https://doi.org/10.1117/12.2669980
Event: Women in Optics and Photonics in India, 2022, Bangalore, India

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Abstract

Self-luminescent BaMg₂V₂O₈ and Sm³⁺ doped BaMg₂V₂O₈ phosphors have been obtained by high temperature solid state reaction method. Detailed Structural and optical analysis were carried out and compare the result of pure and Sm doped samples for checking the suitability in various photonic applications. Broad emission band centered at 516 nm of BaMg₂V₂O₈ , under near UV excitation arises due to ³T₁→¹A₁ and ³T₂→²A₁ transition of (VO₄) ^3- and gives blue- green emission. Incorporation Sm³⁺ in to the luminescent host lattice leads to the enhancement of the emission intensity and color tuning ability of the host. The CIE chromaticity coordinates for BaMg₂V₂O₈ gives a blue green emission following the coordinates (x, y) as (0.29, 0.43) and for Sm³⁺ doped BaMg₂V₂O₈ show the yellow emission following the coordinates (x, y) as (0.36, 0.41).

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Jeena Rose Jose and P. R. Biju "Spectroscopic investigation on color-tunable luminescence of Samarium doped BaMg₂V₂O₈ phosphor", Proc. SPIE 12638, Women in Optics and Photonics in India 2022, 126380J (11 May 2023); https://doi.org/10.1117/12.2669980

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