Metal-Organic Framework Optical Thermometer Based on Cr3+ Ion Luminescence

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Mixed-valent MgAl2O4:Eu2+/Eu3+ phosphor for ratiometric optical thermometry

Ilya E. Kolesnikov et al.

Summary: A novel mixed-valent Eu2+/Eu3+-doped MgAl2O4 phosphor is reported as a ratiometric thermal sensor, offering high thermal sensitivity and temperature resolution, making it a promising material for optical thermometry.

PHYSICA B-CONDENSED MATTER (2022)

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Article Chemistry, Applied

A dye-loaded nonlinear metal-organic framework as self-calibrated optical thermometer

Yating Wan et al.

Summary: In this study, a new strategy for physiological temperature sensing based on dual-emission from second harmonic generation (SHG) signal and two-photon luminescence was presented. The dye-loaded nonlinear metal-organic framework (MOF) composite FIR-8&SUP;DMASM showed excellent sensory performance and biocompatibility, making it potentially applicable in biological temperature sensing.

DYES AND PIGMENTS (2022)

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Review Chemistry, Inorganic & Nuclear

Luminescence thermometry with transition metal ions. A review

L. Marciniak et al.

Summary: Transition metal ion-activated phosphors have strong absorption and emission bands in the visible and near-infrared spectral ranges, making them sensitive to temperature variations. By observing temperature-induced changes in emission intensities, bandwidths and shifts, excited state lifetimes, and intensity ratios between emission bands, sensitive and reliable remote temperature measurements can be achieved. This review systematically analyzes the performance of luminescent thermometers based on different transition metal ions and discusses the relationship between their spectroscopic properties, host material structure, and thermometric performance. The engineering of energy transfer between transition metal and other dopant ions for highly sensitive thermometers is highlighted, along with several typical application examples from recent literature.

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Molecular spectroscopy of hybrid organic-inorganic perovskites and related compounds

Maciej Ptak et al.

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Review Chemistry, Physical

A review on fluorescence intensity ratio thermometer based on rare-earth and transition metal ions doped inorganic luminescent materials

Qiang Wang et al.

Summary: This review examines the current research status of all inorganic thermometers based on fluorescence intensity ratio (FIR) technology, categorizing and analyzing the thermometers in detail, discussing performance parameters, and looking forward to the future development.

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Article Chemistry, Physical

Red luminescence with controlled rise time in La2MgTiO6: Eu3+

B. Bondzior et al.

Summary: La2MgTiO6 (LMT) doped with Eu3+ ions was successfully prepared for the first time using the co-precipitation method. The luminescence of Eu3+ is sensitive to excitation modes and temperatures, showing strong thermal sensitivity. The TiO6 groups also contribute to the optical activity of the material, playing an important role in its luminescent properties.

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Review Materials Science, Multidisciplinary

Review-Photoluminescence Properties of Cr3+-Activated Fluoride Phosphors

Sadao Adachi

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Article Chemistry, Multidisciplinary

Colossal Magnetoresistance without Mixed Valence in a Layered Phosphide Crystal

Zhi-Cheng Wang et al.

Summary: The study revealed that EuCd2P2 exhibits enormous colossal magnetoresistance (CMR) at low temperatures without requiring manganese, oxygen, mixed valence, or cubic perovskite structure. This phenomenon is attributed to strong magnetic fluctuations, leading to new opportunities for materials and technologies related to antiferromagnetic spintronics.

ADVANCED MATERIALS (2021)

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Review Optics

A Review on X-ray Excited Emission Decay Dynamics in Inorganic Scintillator Materials

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PHOTONICS (2021)

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Article Chemistry, Physical

Unusual emission generated from Ca2Mg0.5AlSi1.5O7:Eu2+ and its potential for UV-LEDs and non-contact optical thermometry

Dagmara Stefanska et al.

Summary: Europium-doped Ca2Mg0.5AlSi1.5O7 samples were prepared successfully via a sol-gel method, exhibiting green and violet-blue emissions associated with the Eu2+ transition. The samples showed high quantum efficiency and thermal stability, suggesting potential applications in non-contact optical thermometry.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Optics

Luminescence spectroscopy of Cr3+ in an oxide: A strong or weak crystal-field phosphor?

Sadao Adachi

Summary: The article discusses the classification of Cr3+-activated oxide phosphors into two groups and the challenges in obtaining reliable Racah parameters. It emphasizes the importance of accurately determining excited-state energies.

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Going Above and Beyond: A Tenfold Gain in the Performance of Luminescence Thermometers Joining Multiparametric Sensing and Multiple Regression

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Summary: Luminescence thermometry has made significant progress in recent years, especially in multiparametric luminescent thermometers where performance has been improved to world record levels through new analysis methods. These advancements are crucial for applications in biomedicine.

LASER & PHOTONICS REVIEWS (2021)

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Room-temperature large magnetocaloric, electronic and magnetic properties in La0.75Sr0.25MnO3 manganite: Ab initio calculations and Monte Carlo simulations

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Ratiometric optical thermometer with high sensitivity based on dual far-red emission of Cr3+ in Sr2MgAl22O36

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ACCOUNTS OF CHEMICAL RESEARCH (2020)

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Novel Cr3+-doped double-perovskite Ca2MNbO6 (M = Ga, Al) phosphor: Synthesis, crystal structure, photoluminescence and thermoluminescence properties

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Article Chemistry, Physical

Ratiometric Optical Thermometer with High Sensitivity Based on Site-Selective Occupancy of Mn2+ Ions in Li5Zn8Al5Ge9O36 under Controllable Synthesis Atmosphere

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The Impact of Cr3+ Doping on Temperature Sensitivity Modulation in Cr3+ Doped and Cr3+, Nd3+ Co-doped Y3Al5O12, Y3Al2Ga3O12, and Y3Ga5O12 Nanothermometers

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Metal-Organic Framework Optical Thermometer Based on Cr3+ Ion Luminescence

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