Sample Preparation, Characterization, & Thermoluminescence Analysis of Plotted Glow Curves of Europium Activated Synthesized Phosphor Via Conventional Solid-State Reaction Technique

Shashank Sharma¹ , Sanjay Kumar Dubey²

Section:Research Paper, Product Type: Journal-Paper
Vol.12 , Issue.3 , pp.19-26, Jun-2024

Online published on Jun 30, 2024

Copyright © Shashank Sharma, Sanjay Kumar Dubey . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
In this section, we have examined the thermal characteristics of Eu2+-activated Ba2MgSi2O7 phosphor sample at 5 mol% concentrations employing a traditional solid-state reaction approach with highly elevated temperature under a weak degrading environment. Entire chemical reaction process was conducted for three hours at a constant furnace temperature of 11000C. To ensure that confirm the distinctive features of the presented thermoluminescence (TL) glow curve, it was further examined using a Nucleonix (Hyderabad, India) Pc based TLD Reader (TL 1009I). The synthesized phosphor sample`s TL glow curve revealed an appearance of a single, broad peak at 102.21°C. We are able to investigate from the plotted TL glow curve that the TL intensity has become optimal at15 minutes of ultraviolet (UV) light radiation time. Trapping/kinetic parameters of trap centers with the objective to figuring out the following order of kinetics [b], activation energy [E], & frequency factor [s] have been calculated by applying Chen`s empirical formula. The activation energy [E] of trap depths have been determined to be 0.55 to 0.68 eV. In accordance with this, the frequency factor (s) was estimated within the following range to be 6.2 ×107 to 9.8 ×107s-1. In conclusion, the present research investigation has described into detail about the thermal characteristics of the synthesized Ba2MgSi2O7: Eu2+ phosphor. The synthesized phosphor shows the potential application for long-term persistence as a good TL phosphor.

Key-Words / Index Term :
Ba2MgSi2O7: Eu2+, Phosphor, Solid-state Reaction, Thermoluminescence (TL), Trap Centers, Trapping/Kinetic Parameters, Chen`s Empirical Formula, Long-term Persistence etc.

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