Nd<sup>3+</sup>, Yb<sup>3+</sup>:YF<sub>3</sub> Optical Temperature Nanosensors Operating in the Biological Windows
This work is devoted to the study of thermometric performances of Nd<sup>3+</sup> (0.1 or 0.5 mol.%), Yb<sup>3+</sup> (X%):YF<sub>3</sub> nanoparticles. Temperature sensitivity of spectral shape is related to the phonon-assisted nature of energy transfer (PAET) be...
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2022-12-01
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| Online Access: | https://www.mdpi.com/1996-1944/16/1/39 |
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| author | Maksim Pudovkin Ekaterina Oleynikova Airat Kiiamov Mikhail Cherosov Marat Gafurov |
| author_facet | Maksim Pudovkin Ekaterina Oleynikova Airat Kiiamov Mikhail Cherosov Marat Gafurov |
| author_sort | Maksim Pudovkin |
| collection | DOAJ |
| description | This work is devoted to the study of thermometric performances of Nd<sup>3+</sup> (0.1 or 0.5 mol.%), Yb<sup>3+</sup> (X%):YF<sub>3</sub> nanoparticles. Temperature sensitivity of spectral shape is related to the phonon-assisted nature of energy transfer (PAET) between Nd<sup>3+</sup> and Yb<sup>3+</sup>). However, in the case of single-doped Nd<sup>3+</sup> (0.1 or 0.5 mol.%):YF<sub>3</sub> nanoparticles, luminescence decay time (LDT) of <sup>4</sup>F<sub>3/2</sub> level of Nd<sup>3+</sup> in Nd<sup>3+</sup> (0.5 mol.%):YF<sub>3</sub> decreases with the temperature decrease. In turn, luminescence decay time in Nd<sup>3+</sup> (0.1 mol.%):YF<sub>3</sub> sample remains constant. It was proposed, that at 0.5 mol.% the cross-relaxation (CR) between Nd<sup>3+</sup> ions takes place in contradistinction from 0.1 mol.% Nd<sup>3+</sup> concentration. The decrease of LDT with temperature is explained by the decrease of distances between Nd<sup>3+</sup> with temperature that leads to the increase of cross-relaxation efficiency. It was suggested, that the presence of both CR and PAET processes in the studied system (Nd<sup>3+</sup> (0.5 mol.%), Yb<sup>3+</sup> (X%):YF<sub>3</sub>) nanoparticles provides higher temperature sensitivity compared to the systems having one process (Nd<sup>3+</sup> (0.1 mol.%), Yb<sup>3+</sup> (X%):YF<sub>3</sub>). The experimental results confirmed this suggestion. The maximum relative temperature sensitivity was 0.9%·K<sup>−1</sup> at 80 K. |
| first_indexed | 2024-03-11T09:56:09Z |
| format | Article |
| id | doaj.art-9b84d5277ff54a0cace90e56ef8f9b31 |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-11T09:56:09Z |
| publishDate | 2022-12-01 |
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| series | Materials |
| spelling | doaj.art-9b84d5277ff54a0cace90e56ef8f9b312023-11-16T15:46:13ZengMDPI AGMaterials1996-19442022-12-011613910.3390/ma16010039Nd<sup>3+</sup>, Yb<sup>3+</sup>:YF<sub>3</sub> Optical Temperature Nanosensors Operating in the Biological WindowsMaksim Pudovkin0Ekaterina Oleynikova1Airat Kiiamov2Mikhail Cherosov3Marat Gafurov4Institute of Physics, Kazan Federal University, 18th Kremlyovskaya Street, Kazan 420008, RussiaInstitute of Physics, Kazan Federal University, 18th Kremlyovskaya Street, Kazan 420008, RussiaInstitute of Physics, Kazan Federal University, 18th Kremlyovskaya Street, Kazan 420008, RussiaInstitute of Physics, Kazan Federal University, 18th Kremlyovskaya Street, Kazan 420008, RussiaInstitute of Physics, Kazan Federal University, 18th Kremlyovskaya Street, Kazan 420008, RussiaThis work is devoted to the study of thermometric performances of Nd<sup>3+</sup> (0.1 or 0.5 mol.%), Yb<sup>3+</sup> (X%):YF<sub>3</sub> nanoparticles. Temperature sensitivity of spectral shape is related to the phonon-assisted nature of energy transfer (PAET) between Nd<sup>3+</sup> and Yb<sup>3+</sup>). However, in the case of single-doped Nd<sup>3+</sup> (0.1 or 0.5 mol.%):YF<sub>3</sub> nanoparticles, luminescence decay time (LDT) of <sup>4</sup>F<sub>3/2</sub> level of Nd<sup>3+</sup> in Nd<sup>3+</sup> (0.5 mol.%):YF<sub>3</sub> decreases with the temperature decrease. In turn, luminescence decay time in Nd<sup>3+</sup> (0.1 mol.%):YF<sub>3</sub> sample remains constant. It was proposed, that at 0.5 mol.% the cross-relaxation (CR) between Nd<sup>3+</sup> ions takes place in contradistinction from 0.1 mol.% Nd<sup>3+</sup> concentration. The decrease of LDT with temperature is explained by the decrease of distances between Nd<sup>3+</sup> with temperature that leads to the increase of cross-relaxation efficiency. It was suggested, that the presence of both CR and PAET processes in the studied system (Nd<sup>3+</sup> (0.5 mol.%), Yb<sup>3+</sup> (X%):YF<sub>3</sub>) nanoparticles provides higher temperature sensitivity compared to the systems having one process (Nd<sup>3+</sup> (0.1 mol.%), Yb<sup>3+</sup> (X%):YF<sub>3</sub>). The experimental results confirmed this suggestion. The maximum relative temperature sensitivity was 0.9%·K<sup>−1</sup> at 80 K.https://www.mdpi.com/1996-1944/16/1/39lifetime thermometryNd<sup>3+</sup>, Yb<sup>3+</sup>:YF<sub>3</sub>optical temperature sensors |
| spellingShingle | Maksim Pudovkin Ekaterina Oleynikova Airat Kiiamov Mikhail Cherosov Marat Gafurov Nd<sup>3+</sup>, Yb<sup>3+</sup>:YF<sub>3</sub> Optical Temperature Nanosensors Operating in the Biological Windows Materials lifetime thermometry Nd<sup>3+</sup>, Yb<sup>3+</sup>:YF<sub>3</sub> optical temperature sensors |
| title | Nd<sup>3+</sup>, Yb<sup>3+</sup>:YF<sub>3</sub> Optical Temperature Nanosensors Operating in the Biological Windows |
| title_full | Nd<sup>3+</sup>, Yb<sup>3+</sup>:YF<sub>3</sub> Optical Temperature Nanosensors Operating in the Biological Windows |
| title_fullStr | Nd<sup>3+</sup>, Yb<sup>3+</sup>:YF<sub>3</sub> Optical Temperature Nanosensors Operating in the Biological Windows |
| title_full_unstemmed | Nd<sup>3+</sup>, Yb<sup>3+</sup>:YF<sub>3</sub> Optical Temperature Nanosensors Operating in the Biological Windows |
| title_short | Nd<sup>3+</sup>, Yb<sup>3+</sup>:YF<sub>3</sub> Optical Temperature Nanosensors Operating in the Biological Windows |
| title_sort | nd sup 3 sup yb sup 3 sup yf sub 3 sub optical temperature nanosensors operating in the biological windows |
| topic | lifetime thermometry Nd<sup>3+</sup>, Yb<sup>3+</sup>:YF<sub>3</sub> optical temperature sensors |
| url | https://www.mdpi.com/1996-1944/16/1/39 |
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