Eu3+-doped manganese tungstate for multiparametric and colorimetric luminescence thermometry.

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorPeixoto, Júlia C.-
Autor(es): dc.creatorPerrella, Rafael V.-
Autor(es): dc.creatorSousa Filho, Paulo Cesar de-
Autor(es): dc.creatorOliveira, Henrique S.-
Autor(es): dc.creatorSiqueira, Kisla Prislen Félix-
Data de aceite: dc.date.accessioned2025-08-21T15:14:01Z-
Data de disponibilização: dc.date.available2025-08-21T15:14:01Z-
Data de envio: dc.date.issued2025-03-20-
Data de envio: dc.date.issued2023-
Fonte completa do material: dc.identifierhttps://www.repositorio.ufop.br/handle/123456789/19999-
Fonte completa do material: dc.identifierhttps://doi.org/10.1016/j.omx.2024.100320-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1007258-
Descrição: dc.descriptionImprovement of luminescent thermometers requires not only the search for high-sensitivity thermometric out puts, but also availability of multiple thermometric parameters affording a combined and reliable response. We hereby detail for the first time the luminescence of Eu3+ in manganese tungstate (Eu3+:MnWO4) solids obtained by coprecipitation under ultraviolet excitation and how this material provided an optical thermometric response from 77 K to 373 K via excitation and emission spectra. Processing of up to five thermometric parameters, namely bandwidths, band positions, band shifts and luminescence intensity ratios, resulted in relative thermal sensitivities as high as 1.56% K− 1 and temperature uncertainties between 0.01 and 2 K depending on the choice of the spectral parameter. In addition, we demonstrate that Eu3+:MnWO4 also act as a qualitative colorimetric thermosensor because of progressive change of emission color to greenish-yellow to bluish-green upon heating under UV excitation. Therefore, our results show that the combination of broadband tungstate emissions with the 4f-4f narrow emissions of Eu3+ is an effective approach to achieve a multiparametric luminescent thermal response via emission, excitation and visual observation, which makes Eu3+:MnWO4 a promising candidate for advanced thermometry applications.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Direitos: dc.rightsaberto-
Direitos: dc.rightsThis is an open access article under the CC BY-NC license (http://creativecommons.org/licenses/bync/4.0/). Fonte: PDF do artigo.-
Palavras-chave: dc.subjectTemperature sensing-
Palavras-chave: dc.subjectLuminescence-
Palavras-chave: dc.subjectManganese tungstate-
Palavras-chave: dc.subjectOptical thermometers-
Título: dc.titleEu3+-doped manganese tungstate for multiparametric and colorimetric luminescence thermometry.-
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