• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology

Article

Structural Interpretation and Photoluminescence Properties of Sr0:90􀀀xCa0:10Al12O19:Dyx 3+Nanophosphors Synthesis by Combustion system
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Indian Journal of Science and Technology

DOI: 10.17485/IJST/v15i15.2115

Year: 2022, Volume: 15, Issue: 15, Pages: 649-657

Original Article

Structural Interpretation and Photoluminescence Properties of Sr0:90􀀀xCa0:10Al12O19:Dyx 3+Nanophosphors Synthesis by Combustion system

Swati Kurmi1*, Praveen Kumar Litoriya1, Ashish Verma1

1Department of Physics, Dr. Harisingh Gour Central University Sagar, M.P, 470003, India

*Corresponding Author
Email: [email protected]

Received Date:15 November 2021, Accepted Date:08 February 2022, Published Date:14 April 2022

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Objectives: To synthesize a phosphor of more intense, high color purity, and to last longer. Methods: We have synthesized Sr0:90􀀀xCa0:10Al12O19:Dy3+ x (x=0.00, 0.01, 0.03, 0.05, 0.07) phosphors using a low temperature (560  10 )◦C combustion system. X-ray diffraction, Field Emission Scanning Electron Microscopy (FE-SEM), and EDS spectra were used to perform phase identification, morphological examination, and elemental analysis. Spectroscopic photoluminescence techniques of the described phosphor were used to investigate its optical properties. Findings: According to scherrer’s formula, the crystal size of strontium calcium aluminates phosphor is between 12.58 and 84.67 nm. The Dy3+ emission peaks at 475 nm (blue), 573 nm (yellowgreen), and 666 nm (red) in the phosphor. PL emission spectra can be attributed to the 4f-4f transition of Dy3+ ions. The phosphor color purity is 15%, and the average life time is 0.96 ms, indicating that it will survive a long last. The intensity at the wavelengths of 475nm and 575 nm is 40000 counts and 35000 counts, respectively. Novelty: With a 0.10 molar calcium concentration, we have synthesized strontium aluminates phosphor with improved properties. The described phosphor has long-lasting applications as a refractory structural material, great and useful material for pale-orange colorants, and may be employed in many solid-state lighting technologies.

Keywords: Strontium Aluminates Phosphor; Paleorange Phosphor; Photoluminescence; Correlated Color Temperature; Combustion System

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Copyright

© 2022 Kurmi et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Published By Indian Society for Education and Environment (iSee)

  • 15 April 2022

Year: 2022, Volume: 15, Issue: 15

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