Structural, Compositional and Photoluminescence Studies of Li4SrCa(SiO4)2: Eu3+ Red Phosphor Synthesized by Solid State Reaction Method

Dipti Sahu; D.P. Bisen; Nameeta Brahme; Kanchan Tiwari; Aastha Sahu

doi:10.52228/JRUB.2023-36-1-10

Journal of Ravishankar University

Pt. Ravishankar Shukla University, Raipur, Chhattisgarh

PART-B

(SCIENCE)

ISSN: 0970-5910

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Structural, Compositional and Photoluminescence Studies of Li4SrCa(SiO4)2: Eu3+ Red Phosphor Synthesized by Solid State Reaction Method

Author(s): Dipti Sahu, D.P. Bisen, Nameeta Brahme, Kanchan Tiwari, Aastha Sahu

Email(s): dipti8332@gmail.com

Address: School of Studies in Physics and Astrophysics, Pt. Ravishankar Shukla University, Raipur (C.G.) 492010, India.
School of Studies in Physics and Astrophysics, Pt. Ravishankar Shukla University, Raipur (C.G.) 492010, India.
School of Studies in Physics and Astrophysics, Pt. Ravishankar Shukla University, Raipur (C.G.) 492010, India.
Govt. Nagarjuna P.G. College of Science, Raipur (C.G.).
Guru Ghasidas Vishwavidyalaya, Bilaspur (C.G.), India.

Corresponding Author: dipti8332@gmail.com

Published In: Volume - 36, Issue - 1, Year - 2023

DOI: 10.52228/JRUB.2023-36-1-10

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ABSTRACT:
In this paper, Eu3+ doped phosphor Li4SrCa(SiO4)2 is successfully synthesized via a solid-state reaction method at high temperatures. Structure characterization is determined using X-ray diffraction (XRD). Surface morphology was analyzed using Field emission scanning electron microscopy(FESEM). The EDX spectra confirm the elements present in Li4SrCa(SiO4)2:Eu3+ phosphor. Photoluminescence(PL) spectra of Li4SrCa(SiO4)2:Eu3+ phosphor was efficiently excited by UV range 220-450nm and under the excitation 395nm phosphors shows good intensity with an orange-red intense peak at 591nm and 619 nm was due to 4D0-7F1 and 4D0-7F2 transition respectively. Commission International del’ Eclairage (CIE) color coordinate was calculated, which confirms the Eu3+ doped phosphor with a CIE value of (x=0.6259, y=0.3737). This phosphor is considered to be a new promising orange-red emitting phosphor for WLEDs application. This phosphor may be used for solid-state lighting.

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Cite this article:
Sahu, Bisen, Brahme, Tiwari and Sahu (2023). Structural, Compositional and Photoluminescence Studies of Li4SrCa(SiO4)2: Eu3+ Red Phosphor Synthesized by Solid State Reaction Method. Journal of Ravishankar University (Part-B: Science), 36(1), pp. 104-112.DOI: https://doi.org/10.52228/JRUB.2023-36-1-10

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