Green photoluminescence in TbxSc1-xBO3 solid solution

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DOI Доступ к ресурсу на сайте издателя			10.1016/j.jlumin.2024.120768

Title: Green photoluminescence in TbxSc1-xBO3 solid solution
Creator: Kokh, Alexander E.
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Kuznetsov, Artem B.
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Svetlichnyi, Valerii A.
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Rakhmanova, M. I.
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Klimov, A. O.
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Kokh, Konstantin A.
Date: 2024
DOI: 10.1016/j.jlumin.2024.120768
Description: A wide range of solid solutions based on TbBO3 (with ScBO3 ≤ 30 mol%) and ScBO3 (with TbBO3 ≤ 50 mol%) was found in the TbBO3–ScBO3 system. Under UV excitation the characteristic green emission is visible due to the typical 5D4–7F5 transition of Tb3+. The intensity of photoluminescence significantly depends on the doping concentration of Tb3+ and the optimal concentration has been determined as x = 0.05. Crucial impact of hydrogen treatment on the luminescent properties was found. The compositions of TbxSc1–xBO3 (x = 0.05–0.1), after being treated with hydrogen at a temperature of 800 ◦C, has high potential for practical application as a green phosphor. This is due to its impressive quantum yield value of up to 69 % when excited by a 378 nm.

Created: 30-05-2025

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