Characterization and Optical Properties of Eu and Dy Doped SrAl2O4 Phosphors

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Published: 2011-10-30
Keywords:
Optical properties, combustion technique, SEM, XRD, photoluminescence.

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Ayush Khare
Department of Physics National Institute of Technology, G E Road, Raipur – 492 010
D. S. Kshatri
Department of Physics, Shri Shankaracharya Institute of Professional Management and Technology, Seij Bahar, Raipur
S. K. Sharma
Department of Physics Indian School of Mines, Dhanbad – 826 004

Abstract

In this paper we report the synthesis, characterization and optical properties of SrAl2O4 phosphors prepared by combustion
technique. The samples are prepared at 600oC for 5 minutes. The as prepared samples are characterized through SEM and XRD
measurements. The XRD pattern exhibits multiple peaks corresponding to SrAl2O4 while SEM micrographs show non-uniform distribution of grains. The average particle size of the sample is estimated to lay around 120 nm. The Photoluminescent (PL) emission spectrum peaks at 446 nm, which is attributed to 4f65d1 to 4f7 configuration of Eu ions.

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Vol. 15 No. 6 (2011): Table of Content Special Issue 2

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Articles
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How to Cite

1.
Characterization and Optical Properties of Eu and Dy Doped SrAl2O4 Phosphors. J. Int. Acad. Phys. Sci. [Internet]. 2011 Oct. 30 [cited 2026 Oct. 23];15(6):407-12. Available from: http://www.iaps.org.in/journal/index.php/journaliaps/article/view/651