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Journal articles on the topic 'Luminescence nanothermometry'

Author: Grafiati

Published: 7 July 2024

Last updated: 31 July 2025

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1

Bednarkiewicz, Artur; Marciniak Lukasz; Carlos Luis D.; Jaque Daniel. "Standardizing luminescence nanothermometry for biomedical applications." Nanoscale 12 (June 30, 2020): 14405–21. https://doi.org/10.1039/D0NR03568H.

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Luminescence nanothermometry enables accurate, remote, and all-optically-based thermal sensing. Notwithstanding its fast development, there are serious obstacles hindering reproducibility and reliable quantitative assessment of nanothermometers, which impede the intentional design, optimization and use of these sensors. These issues include ambiguities or absence of established universal rules for quantitative evaluation, incorrect assumptions about the mechanisms behind the thermal response of the sensors as well as the dependence of the nanothermometers readout on external conditions and hos

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2

Jaque, Daniel, and Fiorenzo Vetrone. "Luminescence nanothermometry." Nanoscale 4, no. 15 (2012): 4301. http://dx.doi.org/10.1039/c2nr30764b.

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3

CHANEAC, VIANA, MAITRE, and GLAIS. "Experimental measurement of local high temperature at the surface of gold nanorods using doped ZnGa2O4 as a nanothermometer." Nanoscale Advances 3, no. 10 (2021): 2862–69. https://doi.org/10.1039/d1na00010a.

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  Heat measurement induced by photoexcitation of a plasmonic metal nanoparticle assembly under environmental conditions is of primary importance for the further development of applications in the fields of (photo)catalysis, nanoelectronics and nanomedicine. Nevertheless, the fine control of the rise in temperature remains difficult and limits the use of this technology due to the lack of local temperature measurement tools working under environmental conditions. Luminescence nanothermometers are an alternative solution to the limitations of conventional contact thermometers since they are

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4

Bednarkiewicz, Artur, Lukasz Marciniak, Luís D. Carlos, and Daniel Jaque. "Standardizing luminescence nanothermometry for biomedical applications." Nanoscale 12, no. 27 (2020): 14405–21. http://dx.doi.org/10.1039/d0nr03568h.

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5

Ji, Zeliang, Yao Cheng, Xiangshui Cui, Hang Lin, Ju Xu, and Yuansheng Wang. "Heating-induced abnormal increase in Yb3+ excited state lifetime and its potential application in lifetime luminescence nanothermometry." Inorganic Chemistry Frontiers 6, no. 1 (2019): 110–16. http://dx.doi.org/10.1039/c8qi01052h.

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6

Marciniak, L., and A. Bednarkiewicz. "The influence of dopant concentration on temperature dependent emission spectra in LiLa1−x−yEuxTbyP4O12 nanocrystals: toward rational design of highly-sensitive luminescent nanothermometers." Physical Chemistry Chemical Physics 18, no. 23 (2016): 15584–92. http://dx.doi.org/10.1039/c6cp00898d.

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7

del Rosal, Blanca, Erving Ximendes, Ueslen Rocha, and Daniel Jaque. "In Vivo Luminescence Nanothermometry: from Materials to Applications." Advanced Optical Materials 5, no. 1 (2016): 1600508. http://dx.doi.org/10.1002/adom.201600508.

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8

Valenta, Jan, Michael Greben, Goutam Pramanik, Klaudia Kvakova, and Petr Cigler. "Reversible photo- and thermal-effects on the luminescence of gold nanoclusters: implications for nanothermometry." Physical Chemistry Chemical Physics 23, no. 20 (2021): 11954–60. http://dx.doi.org/10.1039/d0cp06467j.

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9

Su, Xianlong, Yue Wen, Wei Yuan, et al. "Lifetime-based nanothermometry in vivo with ultra-long-lived luminescence." Chemical Communications 56, no. 73 (2020): 10694–97. http://dx.doi.org/10.1039/d0cc04459h.

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10

Vetrone, Fiorenzo. "(Invited) Near-Infrared Triggered Theranostics." ECS Meeting Abstracts MA2024-01, no. 22 (2024): 1338. http://dx.doi.org/10.1149/ma2024-01221338mtgabs.

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In the last decade, the field of luminescent lanthanide doped nanoparticles has had a meteoric rise, progressing from the basic understanding of the photophysical properties governing their nanoscale luminescence, in particular upconversion, to their use in a plethora of applications, with considerable focus in biology and medicine. This interest stems primarily from the ability to stimulate these luminescent nanoparticles with near-infrared (NIR) light as well as their diverse emission wavelengths spanning the UV to the NIR. Therefore, with a single NIR excitation wavelength, it is possible t

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11

Kong, Mengya, Yuyang Gu, Yingjie Chai, et al. "Luminescence interference-free lifetime nanothermometry pinpoints in vivo temperature." Science China Chemistry 64, no. 6 (2021): 974–84. http://dx.doi.org/10.1007/s11426-020-9948-8.

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12

Singh, Prashansha, Neha Jain, Shraddha Shukla, et al. "Luminescence nanothermometry using a trivalent lanthanide co-doped perovskite." RSC Advances 13, no. 5 (2023): 2939–48. http://dx.doi.org/10.1039/d2ra05935e.

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13

Vetrone, Fiorenzo. "(Invited) Exploiting Near-Infrared Light for Theranostics." ECS Meeting Abstracts MA2024-02, no. 35 (2024): 2453. https://doi.org/10.1149/ma2024-02352453mtgabs.

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Since first reported, luminescent rare earth doped nanoparticles have attracted a great deal of interest. In the last decade, however, the field has rapidly taken off, progressing from the basic understanding of the photophysical properties governing their nanoscale luminescence, particularly upconversion, to their use in a plethora of applications, with considerable focus in biology and medicine. This interest stems primarily from the ability to stimulate these luminescent nanoparticles with near-infrared (NIR) light as well as their diverse emission wavelengths spanning the UV to the NIR. Th

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14

Maciejewska, K., A. Bednarkiewicz, and L. Marciniak. "NIR luminescence lifetime nanothermometry based on phonon assisted Yb3+–Nd3+ energy transfer." Nanoscale Advances 3, no. 17 (2021): 4918–25. http://dx.doi.org/10.1039/d1na00285f.

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15

Thiem, Jonas, Axel Ruehl, and Detlev Ristau. "Influence of Pumping Regime on Temperature Resolution in Nanothermometry." Nanomaterials 11, no. 7 (2021): 1782. http://dx.doi.org/10.3390/nano11071782.

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In recent years, optical nanothermometers have seen huge improvements in terms of precision as well as versatility, and several research efforts have been directed at adapting novel active materials or further optimizing the temperature sensitivity. The signal-to-noise ratio of the emission lines is commonly seen as the only limitation regarding high precision measurements. The role of re-absorption caused by a population of lower energy levels, however, has so far been neglected as a potential bottleneck for both high resolution and material selection. In this work, we conduct a study of the

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16

Tzeng, Yan-Kai, Pei-Chang Tsai, Hsiou-Yuan Liu, et al. "Time-Resolved Luminescence Nanothermometry with Nitrogen-Vacancy Centers in Nanodiamonds." Nano Letters 15, no. 6 (2015): 3945–52. http://dx.doi.org/10.1021/acs.nanolett.5b00836.

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17

Jia, Mochen, Zuoling Fu, Guofeng Liu, et al. "NIR‐II/III Luminescence Ratiometric Nanothermometry with Phonon‐Tuned Sensitivity." Advanced Optical Materials 8, no. 6 (2020): 1901173. http://dx.doi.org/10.1002/adom.201901173.

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18

Ruiz, Diego, Blanca del Rosal, María Acebrón, et al. "Ag/Ag2S Nanocrystals for High Sensitivity Near-Infrared Luminescence Nanothermometry." Advanced Functional Materials 27, no. 6 (2016): 1604629. http://dx.doi.org/10.1002/adfm.201604629.

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19

Tan, Meiling, Feng Li, Ning Cao, et al. "Accurate In Vivo Nanothermometry through NIR‐II Lanthanide Luminescence Lifetime." Small 16, no. 48 (2020): 2004118. http://dx.doi.org/10.1002/smll.202004118.

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20

Antić, Željka, K. Prashanthi, Sanja Kuzman, et al. "Ratiometric temperature measurement using negative thermal quenching of intrinsic BiFeO3 semiconductor nanoparticles." RSC Adv. 10 (April 15, 2020): 16982. https://doi.org/10.5281/zenodo.3900972.

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Manuscript published in the Open Access Journal: Željka Antić, K. Prashanthi, Sanja Kuzman, Jovana Peri&scaron;a, Zoran Ristić, V. R. Palkarc and Miroslav D. Dramićanin, Ratiometric temperature measurement using negative thermal quenching of intrinsic BiFeO<sub>3</sub> semiconductor nanoparticles, RSC Adv., 2020, 10, 16982. https://doi.org/10.1039/D0RA01896A A strategy for optical nanothermometry using the negative thermal quenching behavior of intrinsic BiFeO3 semiconductor nanoparticles has been reported here. X-ray diffraction measurement shows polycrystalline BiFeO3 nanoparticles with a rh

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21

Marciniak, L., W. Piotrowski, M. Szalkowski, et al. "Highly sensitive luminescence nanothermometry and thermal imaging facilitated by phase transition." Chemical Engineering Journal 427 (January 2022): 131941. http://dx.doi.org/10.1016/j.cej.2021.131941.

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22

Vetrone, Fiorenzo. "(Invited) Rare Earth Nanoparticles: Advancing Light-Driven Theranostic Applications." ECS Meeting Abstracts MA2025-01, no. 60 (2025): 2906. https://doi.org/10.1149/ma2025-01602906mtgabs.

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In recent years, nanoparticle-based "theranostic" agents have garnered significant attention for the treatment of various diseases, including cancer. This emerging paradigm in personalized medicine leverages nanoplatforms that integrate both therapeutic and diagnostic (theranostic) functionalities. Unlike separate delivery of drugs and imaging agents, theranostic agents enable simultaneous delivery to specific sites, facilitating disease detection and treatment in a single procedure. Many theranostic nanoplatforms are activated by light; however, most rely on UV or visible excitation light, wh

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23

Nexha, Albenc, Maria Cinta Pujol, Joan Josep Carvajal, Francesc Díaz, and Magdalena Aguiló. "Luminescence nanothermometry via white light emission in Ho3+, Tm3+:Y2O3 colloidal nanocrystals." Journal of Luminescence 247 (July 2022): 118854. http://dx.doi.org/10.1016/j.jlumin.2022.118854.

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24

Cerón, Elizabeth Navarro, Dirk H. Ortgies, Blanca del Rosal, et al. "Hybrid Nanostructures for High-Sensitivity Luminescence Nanothermometry in the Second Biological Window." Advanced Materials 27, no. 32 (2015): 4781–87. http://dx.doi.org/10.1002/adma.201501014.

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25

Santos, Harrisson D. A., Erving C. Ximendes, Maria del Carmen Iglesias-de la Cruz, et al. "In Vivo Early Tumor Detection and Diagnosis by Infrared Luminescence Transient Nanothermometry." Advanced Functional Materials 28, no. 43 (2018): 1803924. http://dx.doi.org/10.1002/adfm.201803924.

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26

Korczak, Zuzanna, Magdalena Dudek, Martyna Majak, et al. "Sensitized photon avalanche nanothermometry in Pr³⁺ and Yb³⁺ co-doped NaYF₄ colloidal nanoparticles." Low Temperature Physics 49, no. 3 (2023): 322–29. http://dx.doi.org/10.1063/10.0017243.

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Photon avalanche (PA) is a highly nonlinear luminescence phenomenon that occurs in lanthanide doped materials. PA exhibits a very steep power law relationship between luminescence intensity and the optical pump power. Due to the mechanism of PA emission, even weak perturbations to the energy looping and energy distribution within excited levels of lanthanide emitters are expected to significantly modify luminescent properties. Therefore, in this work, we experimentally study the impact of temperature (from – 175 to 175 °C, with 25 °C steps) on the sensitized PA emission in NaYF4 nanoparticles

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27

Li, Lin, Chun Zhang, Lei Xu, et al. "Luminescence Ratiometric Nanothermometry Regulated by Tailoring Annihilators of Triplet–Triplet Annihilation Upconversion Nanomicelles." Angewandte Chemie 133, no. 51 (2021): 26929–37. http://dx.doi.org/10.1002/ange.202110830.

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28

Li, Lin, Chun Zhang, Lei Xu, et al. "Luminescence Ratiometric Nanothermometry Regulated by Tailoring Annihilators of Triplet–Triplet Annihilation Upconversion Nanomicelles." Angewandte Chemie International Edition 60, no. 51 (2021): 26725–33. http://dx.doi.org/10.1002/anie.202110830.

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29

Vetrone, Fiorenzo. "(Invited) Rare Earth Doped Nanoparticles." ECS Meeting Abstracts MA2022-02, no. 36 (2022): 1319. http://dx.doi.org/10.1149/ma2022-02361319mtgabs.

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Luminescent nanomaterials that can be excited, as well as emit, in the near-infrared (NIR) have been investigated for use in a plethora of applications including nanomedicine, nanoelectronics, biosensing, bioimaging, photovoltaics, photocatalysis, etc. The use of NIR light for excitation mitigates some of the drawbacks associated with high-energy (UV or blue) excitation, for example, little to no background autofluorescence from the specimen under investigation as well as no incurred photodamage. Moreover, one of the biggest limitations is of course, that of penetration. As such, NIR light can

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30

Vetrone, Fiorenzo. "(Invited) Manipulating Light Emission from Rare Earth Doped Nanoparticles for Applications in Theranostics." ECS Meeting Abstracts MA2023-02, no. 34 (2023): 1632. http://dx.doi.org/10.1149/ma2023-02341632mtgabs.

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Luminescent nanomaterials that can be excited, as well as emit, in the near-infrared (NIR) have been investigated for use in a plethora of applications including nanomedicine, nanoelectronics, biosensing, bioimaging, photovoltaics, photocatalysis, etc. The use of NIR light for excitation mitigates some of the drawbacks associated with high-energy (UV or blue) excitation, for example, little to no background autofluorescence from the specimen under investigation as well as no incurred photodamage. Moreover, one of the biggest limitations is of course, that of penetration. As such, NIR light can

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31

Pudovkin, M. S., D. A. Koryakovtseva, E. V. Lukinova, et al. "Luminescence Nanothermometry Based on Pr3+ : LaF3 Single Core and Pr3+ : LaF3/LaF3 Core/Shell Nanoparticles." Advances in Materials Science and Engineering 2019 (September 4, 2019): 1–14. http://dx.doi.org/10.1155/2019/2618307.

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Core Pr3+ : LaF3 (CPr = 1%) plate-like nanoparticles (nanoplates), core/shell Pr3+ : LaF3 (CPr = 1%)/LaF3 nanoplates, core Pr3+ : LaF3 (CPr = 1%) sphere-like nanoparticles (nanospheres), and core/shell Pr3+ : LaF3 (CPr = 1%)/LaF3 nanospheres were synthesized via the coprecipitation method of synthesis. The nanoparticles (NPs) were characterized by means of transmission electron microscopy, X-ray diffraction, and optical spectroscopy. The formation of the shell was proved by detecting the increase in physical sizes, sizes of coherent scattering regions, and luminescence lifetimes of core/shell

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32

Kolesnikov, I. E., E. V. Golyeva, M. A. Kurochkin, E. Lähderanta, and M. D. Mikhailov. "Nd3+-doped YVO4 nanoparticles for luminescence nanothermometry in the first and second biological windows." Sensors and Actuators B: Chemical 235 (November 2016): 287–93. http://dx.doi.org/10.1016/j.snb.2016.05.095.

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33

Shen, Yingli, José Lifante, Irene Zabala‐Gutierrez, et al. "Reliable and Remote Monitoring of Absolute Temperature during Liver Inflammation via Luminescence‐Lifetime‐Based Nanothermometry." Advanced Materials 34, no. 7 (2022): 2107764. http://dx.doi.org/10.1002/adma.202107764.

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34

Xu, Hanyu, Mochen Jia, Zhiying Wang, Yanling Wei, and Zuoling Fu. "Enhancing the Upconversion Luminescence and Sensitivity of Nanothermometry through Advanced Design of Dumbbell-Shaped Structured Nanoparticles." ACS Applied Materials & Interfaces 13, no. 51 (2021): 61506–17. http://dx.doi.org/10.1021/acsami.1c17900.

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35

Plakhotnik, Taras, and Daniel Gruber. "Luminescence of nitrogen-vacancy centers in nanodiamonds at temperatures between 300 and 700 K: perspectives on nanothermometry." Physical Chemistry Chemical Physics 12, no. 33 (2010): 9751. http://dx.doi.org/10.1039/c001132k.

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36

Vetrone, Fiorenzo. "(Invited) Multi-Architectured Lanthanide Doped Nanoparticles for Theranostics." ECS Meeting Abstracts MA2022-01, no. 53 (2022): 2210. http://dx.doi.org/10.1149/ma2022-01532210mtgabs.

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Light triggered theranostic (therapy and diagnostic) nanoplatforms have gained a considerable attention in recent years. In theranostics, light as an external trigger stands out due to its non-invasiveness, high local precision and temporal resolution. Many such nanoplatforms employ high-energy (visible or UV) light to initiate the individual therapeutic and diagnostic modalities. However, light at these wavelengths suffers from inherent drawbacks such as having little to no penetration in living tissue, inducing autofluorescence from inherent fluorophores or chromophores in tissues and causin

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37

Wang, Tianhui, Taizhong Xiao, Youzhun Fan, et al. "Abnormally heat-enhanced Yb excited state lifetimes in Bi7F11O5 nanocrystals and the potential applications in lifetime luminescence nanothermometry." Journal of Materials Chemistry C 7, no. 44 (2019): 13811–17. http://dx.doi.org/10.1039/c9tc04378k.

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A heating-induced monotonous increase in the Yb<sup>3+</sup> excited state (<sup>2</sup>F<sub>5/2</sub>) lifetimes is found in Yb<sup>3+</sup> single doped Bi<sub>7</sub>F<sub>11</sub>O<sub>5</sub> nanocrystals.

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38

Ayachi, F., K. Saidi, M. Dammak, W. Chaabani, I. Mediavilla-Martínez, and J. Jiménez. "Dual-mode luminescence of Er3+/Yb 3+ codoped LnP0.5V0.5O4 (Ln=Y, Gd, La) for highly sensitive optical nanothermometry." Materials Today Chemistry 27 (January 2023): 101352. http://dx.doi.org/10.1016/j.mtchem.2022.101352.

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39

Periša, Jovana, Zoran Ristić, Wojciech Piotrowski, Željka Atić, Lukasz Marciniak, and Miroslav D. Dramićanin. "All near-infrared multiparametric luminescence thermometry using Er3+, Yb3+-doped YAG nanoparticles." RSC Advances 11 (April 29, 2021): 15933. https://doi.org/10.5281/zenodo.4817931.

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Manuscript published in the Open Access Journal: Jovana Peri&scaron;a, Zoran Ristić, Wojciech Piotrowski, Željka Antić, Lukasz Marciniak and Miroslav D. Dramićanin All near-infrared multiparametric luminescence thermometry using Er3+, Yb3+-doped YAG nanoparticles RSC Adv., 2021, 11, 15933 doi:10.1039/d1ra01647d This paper presents four new temperature readout approaches to luminescence nanothermometry in spectral regions of biological transparency demonstrated on Yb<sup>3+</sup>/Er<sup>3+</sup>-doped yttrium aluminum garnet nanoparticles. Under the 10638 cm<sup>-1</sup>&nbs

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40

Mukhopadhyay, Lakshmi, and Vineet Kumar Rai. "Investigation of photoluminescence properties, Judd–Ofelt analysis, luminescence nanothermometry and optical heating behaviour of Er3+/Eu3+/Yb3+:NaZnPO4 nanophosphors." New Journal of Chemistry 42, no. 15 (2018): 13122–34. http://dx.doi.org/10.1039/c8nj02320d.

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41

Rohani, Shadi, Marta Quintanilla, Salvatore Tuccio, et al. "Enhanced Luminescence, Collective Heating, and Nanothermometry in an Ensemble System Composed of Lanthanide-Doped Upconverting Nanoparticles and Gold Nanorods." Advanced Optical Materials 3, no. 11 (2015): 1606–13. http://dx.doi.org/10.1002/adom.201500380.

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42

Nexha, Albenc, Maria Cinta Pujol, Francesc Díaz, Magdalena Aguiló, and Joan J. Carvajal. "Luminescence nanothermometry using self-assembled Er3+, Yb3+ doped Y2O3 nanodiscs: Might the upconversion mechanism condition their use as primary thermometers?" Optical Materials 134 (December 2022): 113216. http://dx.doi.org/10.1016/j.optmat.2022.113216.

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43

Maciejewska, Kamila, Blazej Poźniak, Marta Tikhomirov, Adrianna Kobylińska, and Łukasz Marciniak. "Synthesis, Cytotoxicity Assessment and Optical Properties Characterization of Colloidal GdPO4:Mn2+, Eu3+ for High Sensitivity Luminescent Nanothermometers Operating in the Physiological Temperature Range." Nanomaterials 10, no. 3 (2020): 421. http://dx.doi.org/10.3390/nano10030421.

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Herein, a novel synthesis method of colloidal GdPO4:Mn2+,Eu3+ nanoparticles for luminescent nanothermometry is proposed. XRD, TEM, DLS, and zeta potential measurements confirmed the crystallographic purity and reproducible morphology of the obtained nanoparticles. The spectroscopic properties of GdPO4:Mn2+,Eu3+ with different amounts of Mn2+ and Eu3+ were analyzed in a physiological temperature range. It was found that GdPO4:1%Eu3+,10%Mn2+ nanoparticles revealed extraordinary performance for noncontact temperature sensing with relative sensitivity SR = 8.88%/°C at 32 °C. Furthermore, the bioco

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44

Kniec, Karolina, Marta Tikhomirov, Blazej Pozniak, Karolina Ledwa, and Lukasz Marciniak. "LiAl5O8:Fe3+ and LiAl5O8:Fe3+, Nd3+ as a New Luminescent Nanothermometer Operating in 1st Biological Optical Window." Nanomaterials 10, no. 2 (2020): 189. http://dx.doi.org/10.3390/nano10020189.

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New types of contactless luminescence nanothermometers, namely, LiAl5O8:Fe3+ and LiAl5O8:Fe3+, Nd3+ are presented for the first time, revealing the potential for applications in biological systems. The temperature-sensing capability of the nanocrystals was analyzed in wide range of temperature (−150 to 300 °C). The emission intensity of the Fe3+ ions is affected by the change in temperature, which induces quenching of the 4T1 (4G) → 6A1 (6S) Fe3+ transition situated in the 1st biological window. The highest relative sensitivity in the temperature range (0 to 50 °C) was found to be 0.82% °C (at

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45

Senthilselvan, J., Sinju Thomas, L. Anbharasi, et al. "EDTA functionalization of SrF2:Yb,Er nanoparticles by hydrothermal synthesis: Intense red upconversion, NIR-to-NIR emission and luminescence nanothermometry characteristics." Journal of Materials Science: Materials in Electronics 30, no. 23 (2019): 20376–92. http://dx.doi.org/10.1007/s10854-019-02311-y.

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46

Savchuk, Oleksandr, Joan Josep Carvajal Marti, Concepción Cascales, et al. "Bifunctional Tm3+,Yb3+:GdVO4@SiO2 Core-Shell Nanoparticles in HeLa Cells: Upconversion Luminescence Nanothermometry in the First Biological Window and Biolabelling in the Visible." Nanomaterials 10, no. 5 (2020): 993. http://dx.doi.org/10.3390/nano10050993.

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The bifunctional possibilities of Tm,Yb:GdVO4@SiO2 core-shell nanoparticles for temperature sensing by using the near-infrared (NIR)-excited upconversion emissions in the first biological window, and biolabeling through the visible emissions they generate, were investigated. The two emission lines located at 700 and 800 nm, that arise from the thermally coupled 3F2,3 and 3H4 energy levels of Tm3+, were used to develop a luminescent thermometer, operating through the Fluorescence Intensity Ratio (FIR) technique, with a very high thermal relative sensitivity. Moreover, since the inert shell surr

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47

Runowski, Marcin, Andrii Shyichuk, Artur Tymiński, Tomasz Grzyb, Víctor Lavín, and Stefan Lis. "Multifunctional Optical Sensors for Nanomanometry and Nanothermometry: High-Pressure and High-Temperature Upconversion Luminescence of Lanthanide-Doped Phosphates—LaPO4/YPO4:Yb3+–Tm3+." ACS Applied Materials & Interfaces 10, no. 20 (2018): 17269–79. http://dx.doi.org/10.1021/acsami.8b02853.

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48

Vetrone, Fiorenzo. "(Invited) Luminescence Nanothermometers: Using Light to Detect Temperature." ECS Meeting Abstracts MA2023-02, no. 63 (2023): 2989. http://dx.doi.org/10.1149/ma2023-02632989mtgabs.

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Rare earth doped nanoparticles have recently emerged as versatile luminescent probes for a number of biological applications resulting from their interesting photophysical properties. These nanoparticles can be excited with near-infrared (NIR) light, which is a strict requirement for biomedical applications due its light penetration capabilities. Furthermore, rare earth doped nanoparticles possess a multitude of 4f electronic energy states and excitation with NIR light can therefore lead to different excitation mechanisms. For example, following NIR excitation, the nanoparticles can undergo up

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49

Li, Lu, Xuesong Qu, Guo-Hui Pan, and Jung Hyun Jeong. "Novel Photoluminescence and Optical Thermometry of Solvothermally Derived Tetragonal ZrO2:Ti4+,Eu3+ Nanocrystals." Chemosensors 12, no. 4 (2024): 62. http://dx.doi.org/10.3390/chemosensors12040062.

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In this paper, we report on the solvothermal preparation and detailed characterization of pristine and intentionally doped zirconium dioxide (ZrO2) nanocrystals (NCs, ~5 nm) with Eu3+ or Ti4+/Eu3+ ions using alkoxide precursors. The results indicated that the ZrO2 NCs were dominantly of a tetragonal phase (t-ZrO2) with a small proportion of monoclinic ZrO2 (m-ZrO2). The high purity of t-ZrO2 NCs could be synthesized with more Eu3+ doping. It was found that the as-obtained ZrO2 NCs contain some naturally present Ti4+ ions originating from precursors, but were being overlooked commonly, and some

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Askirka, Valiantsin. "Ratiometric optical laser power sensor based on polymer luminescent nanocomposite." Photonics Letters of Poland 17, no. 1 (2025): 29–31. https://doi.org/10.4302/plp.v17i1.1323.

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The fabrication of nanocomposite photonic materials suggests their use in a wide variety of applications. An essential requirement for such materials is their photostability and high photobleaching resistance. Both lanthanides and quantum dots are good candidates for embedding in the polymer matrix to obtain highly luminescent nanocomposites. This paper presents the concept for the ratiometric optical pulsed laser power sensor based on terbium and red-emitting semiconductor quantum dots co-doped polymer luminescent nanocomposite for application in inexpensive laser monitoring systems. Full Tex

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