Abstract
Ce3+/Li+-activated barium aluminate phosphor (BAO) was synthesized by conventional solid-state reaction method. The crystal structure of the synthesized phosphor was analyzed by X-ray diffraction (XRD) and Raman spectroscopy analysis. Fourier transformed infrared spectrum results revealed the characteristic vibration bands present in the synthesized phosphor. Surface composition analysis of the prepared samples was examined using X-ray photoelectron spectroscopy (XPS). Photoluminescence emission band observed at 589 nm was assigned to 5D excited level corresponding to 2F5/2 transition in yellow region under the excitation wavelength of 320 nm. Yellow light emission was confirmed by the Commission Internationale de L’Eclairage (CIE) chromatic coordinate graph. The synthesized phosphors BAO: 0.5Ce3+, BAO: 0.5Ce3+, 0.1Li+ displayed a color purity and lifetime decay of 78.4%, 81.3% and 4.333 ns, 4.738 ns, respectively.
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The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
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This work was supported by Sri Sivasubramaniya Nadar (SSN) Trust by providing funding for the research and fellowship.
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GKK: investigation, formal analysis, writing the original draft, PBB: supervision, review & editing, funding acquisition, KA: investigation, interpretation, CB: review & editing.
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Ganesh Kumar, K., Balaji Bhargav, P., Aravinth, K. et al. Enhanced photoluminescence properties of BaAl2O4: Ce3+/Li+ yellow phosphors. J Mater Sci: Mater Electron 33, 15323–15332 (2022). https://doi.org/10.1007/s10854-022-08416-1
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DOI: https://doi.org/10.1007/s10854-022-08416-1