1Department of Physics, Anna University, M.I.T Campus, Chennai, Tamil Nadu, 600 044, India
2Department of Electronic Science and Physics, Jaya College of Arts and Science, Tirunindravur, Chennai, Tamil Nadu, 602 024, India
3Radiological Safety Division, Indira Gandhi Centre for Atomic Research, Kalpakkam, Tamil Nadu, 603 102, India
Adv. Mater. Lett., 2019, 10 (5), pp 341-345
DOI: 10.5185/amlett.2019.2218
Publication Date (Web): Jan 14, 2019
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E-mail: vps@annauniv.edu
Pure and Eu2+ doped BaAl2O4 phosphors have been synthesized by simple solid state reaction technique. Synthesized BaAl2O4 samples were studied using powder X-ray diffraction analysis (XRD), Photoluminescence spectroscopy (PL), Fourier Transform - Infra Red Spectroscopy (FT-IR) and Scanning Electron Microscopy (SEM). Alkaline earth divalent (Sr, Ca, Zn, Mg) and halides (F, Cl, Br, I) were used as co-dopants to enhance the PL properties of BaAl2O4:Eu2+ phosphor. Significant impact of ionic radii of co-dopants on PL properties of the phosphor is reported.
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