Optical analysis of RE3+ (RE = Eu,Tb):MgLa2V2O9 nano‐phosphors

Red and green rare‐earth ion (RE3+) (RE = Eu, Tb):MgLa2V2O9 micro‐powder phosphors were produced utilizing a standard solid‐state chemical process. The X‐ray diffraction examination performed on the phosphors showed that they were crystalline and had a monoclinic structure. The particles grouped tog...

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Published in:Luminescence (Chichester, England) England), 2024-01, Vol.39 (1), p.n/a
Main Authors: Hajira, Shaik, Vijitha, Jillela Santhosh, Dhoble, Sanjay Janrao, Raju, Borelli Deva Prasad, Reddy, Busireddy Sudhakar
Format: Article
Language:English
Subjects:
Analytical methods
Electron microscopy
emission
Emission spectra
Emissions
Energy levels
excitation photoluminescence
Fourier transforms
FTIR analysis
Optical analysis
Phosphors
Photoluminescence
Photons
Powder
Scanning electron microscopy
Spectroscopic techniques
Spectroscopy
Terbium
vanadate powder phosphors
Wavelength
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container_title Luminescence (Chichester, England)
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Vijitha, Jillela Santhosh
Dhoble, Sanjay Janrao
Raju, Borelli Deva Prasad
Reddy, Busireddy Sudhakar
description Red and green rare‐earth ion (RE3+) (RE = Eu, Tb):MgLa2V2O9 micro‐powder phosphors were produced utilizing a standard solid‐state chemical process. The X‐ray diffraction examination performed on the phosphors showed that they were crystalline and had a monoclinic structure. The particles grouped together, as shown in the scanning electron microscopy (SEM) images. Powder phosphors were examined using a variety of spectroscopic techniques, including photoluminescence (PL), Fourier‐transform infrared, and energy dispersive X‐ray spectroscopy. Brilliant red emission at 615 nm (5D0 → 7F2) having an excitation wavelength (λexci) of 396 nm (7F0 → 5L6) and green emission at 545 nm (5D4 → 7F5) having an λexci = 316 nm (5D4 → 7F2) have both been seen in the emission spectra of Tb3+:MgLa2V2O9 nano‐phosphors. The emission mechanism that is raised in Eu3+:MgLa2V2O9 and Tb3+:MgLa2V2O9 powder phosphors has been explained in an energy level diagram. Eu3+& Tb3+: MgLa2V2O9 phosphors were synthesized by conventional solid‐state reaction method. Eu3+: MgLa2V2O9 phosphors exhibits bright red emission at 615 nm and Tb3+: MgLa2V2O9 powder phosphors exhibits bright green emission at 545 nm.
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subjects Analytical methods
Electron microscopy
emission
Emission spectra
Emissions
Energy levels
excitation photoluminescence
Fourier transforms
FTIR analysis
Optical analysis
Phosphors
Photoluminescence
Photons
Powder
Scanning electron microscopy
Spectroscopic techniques
Spectroscopy
Terbium
vanadate powder phosphors
Wavelength
title Optical analysis of RE3+ (RE = Eu,Tb):MgLa2V2O9 nano‐phosphors
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