A novel optical thermometry based on the energy transfer from charge transfer band to Eu3+-Dy3+ ions

Abstract Optical thermometry based on the up-conversion intensity ratio of thermally coupled levels of rare earth ions has been widely studied to achieve an inaccessible temperature measurement in submicron scale. In this work, a novel optical temperature sensing strategy based on the energy transfe...

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Autores principales:	Jing Wang, Yanyan Bu, Xiangfu Wang, Hyo Jin Seo
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/20ffcc2cbd604a31a97d8f0ca8ae56fb
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spelling	oai:doaj.org-article:20ffcc2cbd604a31a97d8f0ca8ae56fb2021-12-02T12:31:59ZA novel optical thermometry based on the energy transfer from charge transfer band to Eu3+-Dy3+ ions10.1038/s41598-017-06421-72045-2322https://doaj.org/article/20ffcc2cbd604a31a97d8f0ca8ae56fb2017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-06421-7https://doaj.org/toc/2045-2322Abstract Optical thermometry based on the up-conversion intensity ratio of thermally coupled levels of rare earth ions has been widely studied to achieve an inaccessible temperature measurement in submicron scale. In this work, a novel optical temperature sensing strategy based on the energy transfer from charge transfer bands of W-O and Eu-O to Eu3+-Dy3+ ions is proposed. A series of Eu3+/Dy3+ co-doped SrWO4 is synthesized by the conventional high-temperature solid-state method. It is found that the emission spectra, emission intensity ratio of Dy3+ (572 nm) and Eu3+ (615 nm), fluorescence color, lifetime decay curves of Dy3+ (572 nm) and Eu3+ (615 nm), and relative and absolute sensitivities of Eu3+/Dy3+ co-doped SrWO4 are temperature dependent under the 266 nm excitation in the temperature range from 11 K to 529 K. The emission intensity ratio of Dy3+ (572 nm) and Eu3+ (615 nm) ions exhibits exponentially relation to the temperature due to the different energy transfer from the charge transfer bands of W-O and Eu-O to Dy3+ and Eu3+ ions. In this host, the maximum relative sensitivity Sr can be reached at 1.71% K−1, being higher than those previously reported material. It opens a new route to obtain optical thermometry with high sensitivity through using down-conversion fluorescence under ultraviolet excitation.Jing WangYanyan BuXiangfu WangHyo Jin SeoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jing Wang Yanyan Bu Xiangfu Wang Hyo Jin Seo A novel optical thermometry based on the energy transfer from charge transfer band to Eu3+-Dy3+ ions
description	Abstract Optical thermometry based on the up-conversion intensity ratio of thermally coupled levels of rare earth ions has been widely studied to achieve an inaccessible temperature measurement in submicron scale. In this work, a novel optical temperature sensing strategy based on the energy transfer from charge transfer bands of W-O and Eu-O to Eu3+-Dy3+ ions is proposed. A series of Eu3+/Dy3+ co-doped SrWO4 is synthesized by the conventional high-temperature solid-state method. It is found that the emission spectra, emission intensity ratio of Dy3+ (572 nm) and Eu3+ (615 nm), fluorescence color, lifetime decay curves of Dy3+ (572 nm) and Eu3+ (615 nm), and relative and absolute sensitivities of Eu3+/Dy3+ co-doped SrWO4 are temperature dependent under the 266 nm excitation in the temperature range from 11 K to 529 K. The emission intensity ratio of Dy3+ (572 nm) and Eu3+ (615 nm) ions exhibits exponentially relation to the temperature due to the different energy transfer from the charge transfer bands of W-O and Eu-O to Dy3+ and Eu3+ ions. In this host, the maximum relative sensitivity Sr can be reached at 1.71% K−1, being higher than those previously reported material. It opens a new route to obtain optical thermometry with high sensitivity through using down-conversion fluorescence under ultraviolet excitation.
format	article
author	Jing Wang Yanyan Bu Xiangfu Wang Hyo Jin Seo
author_facet	Jing Wang Yanyan Bu Xiangfu Wang Hyo Jin Seo
author_sort	Jing Wang
title	A novel optical thermometry based on the energy transfer from charge transfer band to Eu3+-Dy3+ ions
title_short	A novel optical thermometry based on the energy transfer from charge transfer band to Eu3+-Dy3+ ions
title_full	A novel optical thermometry based on the energy transfer from charge transfer band to Eu3+-Dy3+ ions
title_fullStr	A novel optical thermometry based on the energy transfer from charge transfer band to Eu3+-Dy3+ ions
title_full_unstemmed	A novel optical thermometry based on the energy transfer from charge transfer band to Eu3+-Dy3+ ions
title_sort	novel optical thermometry based on the energy transfer from charge transfer band to eu3+-dy3+ ions
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/20ffcc2cbd604a31a97d8f0ca8ae56fb
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A novel optical thermometry based on the energy transfer from charge transfer band to Eu3+-Dy3+ ions

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