IJCMP | Structural and photoluminescence study of SrAl2O4:Eu3+ phosphors synthesized by combustion method

Indexing and Abstracting

Structural and photoluminescence study of SrAl2O4:Eu3+ phosphors synthesized by combustion method

P. J. Chaware , K. G. Rewatkar

International Journal of Chemistry, Mathematics And Physics(IJCMP), Vol-5,Issue-6, November - December 2021, Pages 1-6 , 10.22161/ijcmp.5.6.1

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Article Info: Received: 11 Oct 2021; Received in revised form: 03 Nov 2021; Accepted: 10 Nov 2021; Available online: 18 Nov 2021

Abstract:

The combustion synthesis method was employed for the synthesis of red-emitting monoclinic SrAl2O4:Eu3+ phosphors. Structural characterization of annealed samples was carried out via X-ray Diffraction (XRD). XRD patterns reveal that strontium aluminate samples were cubic spinel nanoparticles and the grain size determined by the Debye-Scherrer formula is 35.34 nm. The vibrational stretching frequencies corresponding to the composites were confirmed by FT-IR spectroscopy. The PL spectra show the strongest emission at 612 nm corresponds to the 5D0 → 7F2 transition of Eu3+, which results in bright red color emitting phosphor used for display devices and lamp industries.

Keywords:

photoluminescence, strontium aluminate, XRD, FTIR.

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