Development of Eu<sup>3+</sup>-doped phosphate glass for red luminescent solid-state optical devices

© 2020 Eu3+-doped lithium phosphate glasses, (63-x) P2O5–32Li2O–5Al2O3‒xEu2O3, where 0≤x≤5 mol% concentrations were prepared by conventional melt-quenching technique. The glasses were characterized through various physical and optical properties at room and low temperatures (10K). The radiative tran...

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Main Authors: P. Aryal, H. J. Kim, A. Khan, S. Saha, S. J. Kang, S. Kothan, Y. Yamsuk, J. Kaewkhao
Format: Journal
Published: 2020
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http://cmuir.cmu.ac.th/jspui/handle/6653943832/70158
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-701582020-10-14T08:48:38Z Development of Eu<sup>3+</sup>-doped phosphate glass for red luminescent solid-state optical devices P. Aryal H. J. Kim A. Khan S. Saha S. J. Kang S. Kothan Y. Yamsuk J. Kaewkhao Biochemistry, Genetics and Molecular Biology Chemistry Physics and Astronomy © 2020 Eu3+-doped lithium phosphate glasses, (63-x) P2O5–32Li2O–5Al2O3‒xEu2O3, where 0≤x≤5 mol% concentrations were prepared by conventional melt-quenching technique. The glasses were characterized through various physical and optical properties at room and low temperatures (10K). The radiative transition probability, stimulated emission cross-section, branching ratio and radiative lifetime of the glasses were evaluated following the Judd-Ofelt theory. Two-fold increase in the photoluminescence (PL) intensity was observed under 394 nm excitation at 10K as compared to that measured at room temperature. The absence of 7F1→5D3,1 excitation transition at 10K was found due to a decrease in thermal energy of ground states. The presence of O2−−Eu3+ charge transfer excitation band (CTB, 200–275 nm) was observed. An optimum PL emission was recorded in the glass with 3 mol%, whereas the concentration quenching was noticed for the sample with 5 mol%. The results show that the Eu3+-doped lithium phosphate glasses could be potential candidates for red laser applications. 2020-10-14T08:25:04Z 2020-10-14T08:25:04Z 2020-11-01 Journal 00222313 2-s2.0-85088872051 10.1016/j.jlumin.2020.117564 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85088872051&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/70158
institution Chiang Mai University
building Chiang Mai University Library
continent Asia
country Thailand
Thailand
content_provider Chiang Mai University Library
collection CMU Intellectual Repository
topic Biochemistry, Genetics and Molecular Biology
Chemistry
Physics and Astronomy
spellingShingle Biochemistry, Genetics and Molecular Biology
Chemistry
Physics and Astronomy
P. Aryal
H. J. Kim
A. Khan
S. Saha
S. J. Kang
S. Kothan
Y. Yamsuk
J. Kaewkhao
Development of Eu<sup>3+</sup>-doped phosphate glass for red luminescent solid-state optical devices
description © 2020 Eu3+-doped lithium phosphate glasses, (63-x) P2O5–32Li2O–5Al2O3‒xEu2O3, where 0≤x≤5 mol% concentrations were prepared by conventional melt-quenching technique. The glasses were characterized through various physical and optical properties at room and low temperatures (10K). The radiative transition probability, stimulated emission cross-section, branching ratio and radiative lifetime of the glasses were evaluated following the Judd-Ofelt theory. Two-fold increase in the photoluminescence (PL) intensity was observed under 394 nm excitation at 10K as compared to that measured at room temperature. The absence of 7F1→5D3,1 excitation transition at 10K was found due to a decrease in thermal energy of ground states. The presence of O2−−Eu3+ charge transfer excitation band (CTB, 200–275 nm) was observed. An optimum PL emission was recorded in the glass with 3 mol%, whereas the concentration quenching was noticed for the sample with 5 mol%. The results show that the Eu3+-doped lithium phosphate glasses could be potential candidates for red laser applications.
format Journal
author P. Aryal
H. J. Kim
A. Khan
S. Saha
S. J. Kang
S. Kothan
Y. Yamsuk
J. Kaewkhao
author_facet P. Aryal
H. J. Kim
A. Khan
S. Saha
S. J. Kang
S. Kothan
Y. Yamsuk
J. Kaewkhao
author_sort P. Aryal
title Development of Eu<sup>3+</sup>-doped phosphate glass for red luminescent solid-state optical devices
title_short Development of Eu<sup>3+</sup>-doped phosphate glass for red luminescent solid-state optical devices
title_full Development of Eu<sup>3+</sup>-doped phosphate glass for red luminescent solid-state optical devices
title_fullStr Development of Eu<sup>3+</sup>-doped phosphate glass for red luminescent solid-state optical devices
title_full_unstemmed Development of Eu<sup>3+</sup>-doped phosphate glass for red luminescent solid-state optical devices
title_sort development of eu<sup>3+</sup>-doped phosphate glass for red luminescent solid-state optical devices
publishDate 2020
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85088872051&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/70158
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