Eu3+ -doped ratiometric optical thermometers: Experiment and Judd-Ofelt modelling
Kolesnikov, Ilya E.; Mamonova, Daria V.; Kurochkin, Mikhail A.; Kolesnikov, Evgenii Yu; Lähderanta, Erkki (2021-01-06)
Post-print / Final draft
Kolesnikov, Ilya E.
Mamonova, Daria V.
Kurochkin, Mikhail A.
Kolesnikov, Evgenii Yu
Lähderanta, Erkki
06.01.2021
Optical Materials
112
Elsevier
School of Engineering Science
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi-fe202101111491
https://urn.fi/URN:NBN:fi-fe202101111491
Tiivistelmä
Rare earth-doped materials are successfully utilized as non-contact optical temperature sensors. Thermal sensing is usually based on the ratiometric technique between two separate emission lines originated from thermally-coupled levels. We study Gd2O3:Eu3+ 1 at.% and YAG: Eu3+ 4 at.% phosphors as luminescence thermometers in 298–473 K range using both conventional experimental and Judd-Ofelt based theoretical approaches. Thermometric performances of suggested sensors were quantified through absolute and relative thermal sensitivities and temperature resolution. Experiment and theoretical modelling gave similar results. This proves the theoretical model as a simple and fast method for estimation of the Eu3+-doped thermometer perspectives.
Lähdeviite
Kolesnikov, I. E., Mamonova, D. V., Kurochkin, M. A., Kolesnikov, E. Y., Lähderanta, E. (2021). Eu3+ -doped ratiometric optical thermometers: Experiment and Judd-Ofelt modelling. Optical Materials, vol. 112. DOI: 10.1016/j.optmat.2020.110797
Kokoelmat
- Tieteelliset julkaisut [1522]