Temperature Sensing in the Short-Wave Infrared Spectral Region Using Core-Shell NaGdF<sub>4</sub>:Yb<sup>3+</sup>, Ho<sup>3+</sup>, Er<sup>3+</sup>@NaYF<sub>4</sub> Nanothermometers
The short-wave infrared region (SWIR) is promising for deep-tissue visualization and temperature sensing due to higher penetration depth and reduced scattering of radiation. However, the strong quenching of luminescence in biological media and low thermal sensitivity of nanothermometers in this regi...
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MDPI AG
2020-10-01
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| Online Access: | https://www.mdpi.com/2079-4991/10/10/1992 |
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| author | Daria Pominova Vera Proydakova Igor Romanishkin Anastasia Ryabova Sergei Kuznetsov Oleg Uvarov Pavel Fedorov Victor Loschenov |
| author_facet | Daria Pominova Vera Proydakova Igor Romanishkin Anastasia Ryabova Sergei Kuznetsov Oleg Uvarov Pavel Fedorov Victor Loschenov |
| author_sort | Daria Pominova |
| collection | DOAJ |
| description | The short-wave infrared region (SWIR) is promising for deep-tissue visualization and temperature sensing due to higher penetration depth and reduced scattering of radiation. However, the strong quenching of luminescence in biological media and low thermal sensitivity of nanothermometers in this region are major drawbacks that limit their practical application. Nanoparticles doped with rare-earth ions are widely used as thermal sensors operating in the SWIR region through the luminescence intensity ratio (LIR) approach. In this study, the effect of the shell on the sensitivity of temperature determination using NaGdF<sub>4</sub> nanoparticles doped with rare-earth ions (REI) Yb<sup>3+</sup>, Ho<sup>3+</sup>, and Er<sup>3+</sup> coated with an inert NaYF<sub>4</sub> shell was investigated. We found that coating the nanoparticles with a shell significantly increases the intensity of luminescence in the SWIR range, prevents water from quenching luminescence, and decreases the temperature of laser-induced heating. Thermometry in the SWIR spectral region was demonstrated using synthesized nanoparticles in dry powder and in water. The core-shell nanoparticles obtained had intense luminescence and made it possible to determine temperatures in the range of 20–40 °C. The relative thermal sensitivity of core-shell NPs was 0.68% °C<sup>−1</sup> in water and 4.2% °C<sup>−1</sup> in dry powder. |
| first_indexed | 2024-03-10T15:45:32Z |
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| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-10T15:45:32Z |
| publishDate | 2020-10-01 |
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| series | Nanomaterials |
| spelling | doaj.art-2ca041997b8b43ba9fc81472c010e10c2023-11-20T16:30:09ZengMDPI AGNanomaterials2079-49912020-10-011010199210.3390/nano10101992Temperature Sensing in the Short-Wave Infrared Spectral Region Using Core-Shell NaGdF<sub>4</sub>:Yb<sup>3+</sup>, Ho<sup>3+</sup>, Er<sup>3+</sup>@NaYF<sub>4</sub> NanothermometersDaria Pominova0Vera Proydakova1Igor Romanishkin2Anastasia Ryabova3Sergei Kuznetsov4Oleg Uvarov5Pavel Fedorov6Victor Loschenov7Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow 119991, RussiaProkhorov General Physics Institute of the Russian Academy of Sciences, Moscow 119991, RussiaProkhorov General Physics Institute of the Russian Academy of Sciences, Moscow 119991, RussiaProkhorov General Physics Institute of the Russian Academy of Sciences, Moscow 119991, RussiaProkhorov General Physics Institute of the Russian Academy of Sciences, Moscow 119991, RussiaProkhorov General Physics Institute of the Russian Academy of Sciences, Moscow 119991, RussiaProkhorov General Physics Institute of the Russian Academy of Sciences, Moscow 119991, RussiaProkhorov General Physics Institute of the Russian Academy of Sciences, Moscow 119991, RussiaThe short-wave infrared region (SWIR) is promising for deep-tissue visualization and temperature sensing due to higher penetration depth and reduced scattering of radiation. However, the strong quenching of luminescence in biological media and low thermal sensitivity of nanothermometers in this region are major drawbacks that limit their practical application. Nanoparticles doped with rare-earth ions are widely used as thermal sensors operating in the SWIR region through the luminescence intensity ratio (LIR) approach. In this study, the effect of the shell on the sensitivity of temperature determination using NaGdF<sub>4</sub> nanoparticles doped with rare-earth ions (REI) Yb<sup>3+</sup>, Ho<sup>3+</sup>, and Er<sup>3+</sup> coated with an inert NaYF<sub>4</sub> shell was investigated. We found that coating the nanoparticles with a shell significantly increases the intensity of luminescence in the SWIR range, prevents water from quenching luminescence, and decreases the temperature of laser-induced heating. Thermometry in the SWIR spectral region was demonstrated using synthesized nanoparticles in dry powder and in water. The core-shell nanoparticles obtained had intense luminescence and made it possible to determine temperatures in the range of 20–40 °C. The relative thermal sensitivity of core-shell NPs was 0.68% °C<sup>−1</sup> in water and 4.2% °C<sup>−1</sup> in dry powder.https://www.mdpi.com/2079-4991/10/10/1992thermometryluminescenceshort-wave infraredrare-earth ions |
| spellingShingle | Daria Pominova Vera Proydakova Igor Romanishkin Anastasia Ryabova Sergei Kuznetsov Oleg Uvarov Pavel Fedorov Victor Loschenov Temperature Sensing in the Short-Wave Infrared Spectral Region Using Core-Shell NaGdF<sub>4</sub>:Yb<sup>3+</sup>, Ho<sup>3+</sup>, Er<sup>3+</sup>@NaYF<sub>4</sub> Nanothermometers Nanomaterials thermometry luminescence short-wave infrared rare-earth ions |
| title | Temperature Sensing in the Short-Wave Infrared Spectral Region Using Core-Shell NaGdF<sub>4</sub>:Yb<sup>3+</sup>, Ho<sup>3+</sup>, Er<sup>3+</sup>@NaYF<sub>4</sub> Nanothermometers |
| title_full | Temperature Sensing in the Short-Wave Infrared Spectral Region Using Core-Shell NaGdF<sub>4</sub>:Yb<sup>3+</sup>, Ho<sup>3+</sup>, Er<sup>3+</sup>@NaYF<sub>4</sub> Nanothermometers |
| title_fullStr | Temperature Sensing in the Short-Wave Infrared Spectral Region Using Core-Shell NaGdF<sub>4</sub>:Yb<sup>3+</sup>, Ho<sup>3+</sup>, Er<sup>3+</sup>@NaYF<sub>4</sub> Nanothermometers |
| title_full_unstemmed | Temperature Sensing in the Short-Wave Infrared Spectral Region Using Core-Shell NaGdF<sub>4</sub>:Yb<sup>3+</sup>, Ho<sup>3+</sup>, Er<sup>3+</sup>@NaYF<sub>4</sub> Nanothermometers |
| title_short | Temperature Sensing in the Short-Wave Infrared Spectral Region Using Core-Shell NaGdF<sub>4</sub>:Yb<sup>3+</sup>, Ho<sup>3+</sup>, Er<sup>3+</sup>@NaYF<sub>4</sub> Nanothermometers |
| title_sort | temperature sensing in the short wave infrared spectral region using core shell nagdf sub 4 sub yb sup 3 sup ho sup 3 sup er sup 3 sup nayf sub 4 sub nanothermometers |
| topic | thermometry luminescence short-wave infrared rare-earth ions |
| url | https://www.mdpi.com/2079-4991/10/10/1992 |
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