Temperature sensitivity of Nd3+, Yb3+:YF3 ratiometric luminescent thermometers at different Yb3+ concentration

Pudovkin, M.S.; Ginkel, A.K.; Lukinova, E.V.

doi:10.1016/j.optmat.2021.111328

Cited by 20 publications

(13 citation statements)

References 55 publications

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“…The S r functions obtained from LIR curves are represented in Figure 7. The obtained Sr values are quite competitive compared to our previous work [12]. As we mentioned above, for 0.5 and 1.0 mol.% single-doped Nd 3+ :YF3 the luminescence decay time of 4 F3/2 (Nd 3+ ) deceases with the temperature decrease in contrast to Nd 3+ (0.1%):YF3 sample.…”

Section: Temperature Dependent Spectral-kinetic Characterization Of D...supporting

confidence: 50%

“…Indeed, the Nd 3+ /Yb 3+ -based optical sensor with lower Yb 3+ concentrations (<1.0 mol.%) can demonstrate higher S r and S a . One of the highest S r values obtained for Nd 3+ (0.5%), Yb 3+ (8.0%):YF 3 (~0.6%/K at 144 K) [12], Nd 3+ (0.5%), Yb 3+ (5.0%):LiLaP 4 O 12 (~0.3%/K at 300 K) [15]. The double-doped inorganic nano-or microparticles are capable of demonstrating higher performances compared to their single-doped counterparts in the relatively broad temperature range of 10-400 K. Specifically, Pr 3+ , Yb 3+ :LaF 3 down-conversion nanoparticles demonstrate one of the highest sensitivities (S r ~6.0%•K −1 at 10 K) in the cryogenic temperature range [17].…”

Section: Introductionmentioning

confidence: 91%

“…Also, the excitation and emission wavelengths are situated in the near IR range (tissue transparency window), which is very important for biomedical applications [11]. Down-conversion optical temperature sensors based on Nd 3+ /Yb 3+ ion pair were recently studied in works [12][13][14]. In these phosphors, the emission of Yb 3+ is observed under the Nd 3+ excitation revealing the energy transfer between Nd 3+ and Yb 3+ .…”

Section: Introductionmentioning

confidence: 99%

“…This phenomenon paves the way toward the manipulation of temperature sensitivity via Yb 3+ concentration. Indeed, it was experimentally demonstrated in the works [12,14,16]. However, it seems, that the Nd 3+ /Yb 3+ doped phosphors are studied for relatively high Yb 3+ concentrations (>1 mol.%).…”

Section: Introductionmentioning

confidence: 99%

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Nd3+, Yb3+:YF3 Optical Temperature Nanosensors Operating in the Biological Windows

et al. 2022

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This work is devoted to the study of thermometric performances of Nd3+ (0.1 or 0.5 mol.%), Yb3+ (X%):YF3 nanoparticles. Temperature sensitivity of spectral shape is related to the phonon-assisted nature of energy transfer (PAET) between Nd3+ and Yb3+). However, in the case of single-doped Nd3+ (0.1 or 0.5 mol.%):YF3 nanoparticles, luminescence decay time (LDT) of 4F3/2 level of Nd3+ in Nd3+ (0.5 mol.%):YF3 decreases with the temperature decrease. In turn, luminescence decay time in Nd3+ (0.1 mol.%):YF3 sample remains constant. It was proposed, that at 0.5 mol.% the cross-relaxation (CR) between Nd3+ ions takes place in contradistinction from 0.1 mol.% Nd3+ concentration. The decrease of LDT with temperature is explained by the decrease of distances between Nd3+ 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 (Nd3+ (0.5 mol.%), Yb3+ (X%):YF3) nanoparticles provides higher temperature sensitivity compared to the systems having one process (Nd3+ (0.1 mol.%), Yb3+ (X%):YF3). The experimental results confirmed this suggestion. The maximum relative temperature sensitivity was 0.9%·K−1 at 80 K.

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Section: Temperature Dependent Spectral-kinetic Characterization Of D...supporting

confidence: 50%

Section: Introductionmentioning

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Nd3+, Yb3+:YF3 Optical Temperature Nanosensors Operating in the Biological Windows

et al. 2022

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“…Materials that are co-doped with Eu 3+ and Tb 3+ are well-known for concentration-dependent thermometer performance, although, for example, Tm 3+ -doped or Nd 3+ /Yb 3+ -co-doped materials show similar behavior. 54,107,108,110,177,178 The temperature-dependent mechanisms of energy-transfer thermometers are however complex, which impedes determination of the optimum dopant concentrations.…”

Section: Discussionmentioning

confidence: 99%

The design and application of luminescent thermometers

Swieten¹

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The luminescence of (nano)materials is often sensitive to temperature. This enables thermometry experiments with micrometer resolution by simply inserting this type of thermometers in a relevant sample, followed by remote acquisition of the emission spectrum. The development of luminescent thermometers is mainly focused on the maximization of spectral changes for small temperature variations. However, it is still unclear how luminescent thermometers perform in the actual application. In this thesis, we have investigated the experimental errors of luminescent thermometers to better understand what affects the reliability of temperature measurements. Our work shows how errors due to noise, introduced by the photodetector, determine the uncertainty in the measured temperature. We further observed systematic errors in the measured temperature during our measurements with micrometer spatial resolution, which we attribute to the local photonic environment of the thermometer. In addition, we have examined methods to extend the temperature range of luminescent thermometers and developed new materials to achieve this. Our research shows that thermometer design is crucial for minimizing both measurement uncertainties and systematic errors. These insights can help to optimize new and existing thermometers, which is an important step for reliable application.

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Th⁴⁺ Co‐doped YF₃ : Yb³⁺, Er³⁺ Nanostructures for Enhanced Visible and NIR‐II Emissions and Potential Application as Cryogenic Thermometer

Balhara,

Gupta,

Modak

et al. 2023

ChemPhotoChem

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Remarkable enhancement in green and red upconversion (UC) emissions by 124 and 88%, respectively was achieved whereas down‐conversion (DC) luminescence in NIR‐II region (~1540 nm) was improved by 20% in Th4+ co‐doped YF3:Yb3+,Er3+ nanocrystalline particles. The same is ascribed to lowering of symmetry via formation of asymmetric Er‐F bonds and less symmetric Y3+ sites due to distortions on Th4+ co‐doping. Benefiting from the distinct temperature response of stark sublevels of the 4S3/2 and 4F9/2 states, we have proposed a strategy for luminescence intensity ratios (LIR) based thermometry involving thermally coupled (TCL) stark sub‐levels. This can be promising in more accurate temperature read‐out at cryogenic temperatures (~ ‐193 oC). Using the same, high Sa and Sr values of 0.0139 K‐1 (80 K) and 0.682 %K‐1(80 K) were obtained for 4S3/2 (1)/ 4S3/2 (2) → 4I15/2 transitions. Higher Sa and Sr values of 0.226 K‐1 (80 K) and 2.627 %K‐1(80 K) were obtained for 4F9/2 (1)/ 4F9/2 (2) → 4I15/2 transitions. The high sensitivity values were obtained than that reported for the YF3 host. We believe this work with improved UC luminescence on Th4+ addition will be boon to cryogenic temperature‐sensing.

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Temperature sensitivity of Nd3+, Yb3+:YF3 ratiometric luminescent thermometers at different Yb3+ concentration

Cited by 20 publications

References 55 publications

Nd3+, Yb3+:YF3 Optical Temperature Nanosensors Operating in the Biological Windows

Nd3+, Yb3+:YF3 Optical Temperature Nanosensors Operating in the Biological Windows

The design and application of luminescent thermometers

Th⁴⁺ Co‐doped YF₃ : Yb³⁺, Er³⁺ Nanostructures for Enhanced Visible and NIR‐II Emissions and Potential Application as Cryogenic Thermometer

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Temperature sensitivity of Nd3+, Yb3+:YF3 ratiometric luminescent thermometers at different Yb3+ concentration

Cited by 20 publications

References 55 publications

Nd3+, Yb3+:YF3 Optical Temperature Nanosensors Operating in the Biological Windows

Nd3+, Yb3+:YF3 Optical Temperature Nanosensors Operating in the Biological Windows

The design and application of luminescent thermometers

Th4+ Co‐doped YF3 : Yb3+, Er3+ Nanostructures for Enhanced Visible and NIR‐II Emissions and Potential Application as Cryogenic Thermometer

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Product

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Th⁴⁺ Co‐doped YF₃ : Yb³⁺, Er³⁺ Nanostructures for Enhanced Visible and NIR‐II Emissions and Potential Application as Cryogenic Thermometer