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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Borisov, Sergey
Graz University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2024Transition metal azahemiporphycenes as singlet oxygen sensitizerscitations
- 2023Bright and Photostable TADF-Emitting Zirconium(IV) Pyridinedipyrrolide Complexes: Efficient Dyes for Decay Time-Based Temperature Sensing and Imagingcitations
- 2022Materials for optical oxygen sensing under high hydrostatic pressurecitations
- 2022Porous matrix materials in optical sensing of gaseous oxygencitations
- 2019High-resolution optical pH imaging of concrete exposed to chemically corrosive environmentscitations
- 2018Wide-range optical pH imaging of cementitious materials exposed to chemically corrosive environmentscitations
- 2018Mn4+-Doped magnesium titanate-a promising phosphor for self-referenced optical temperature sensingcitations
- 2018OPTICAL PH IMAGING OF CONCRETE EXPOSED TO CHEMICALLY CORROSIVE ENVIRONMENTS
- 2018Macroporous Polymeric Oxygen Scavenger Material
- 2018New opportunities for optical temperature sensing with Mn<sup>4+</sup>-doped magnesium titanate
- 2013Tuning the dynamic range and sensitivity of optical oxygen-sensors by employing differently substituted polystyrene-derivativescitations
Places of action
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article
Mn4+-Doped magnesium titanate-a promising phosphor for self-referenced optical temperature sensing
Abstract
<p>Phosphors based on magnesium titanate activated with Mn<sup>4+</sup> ions are of great interest because, when excited with blue light, they display a strong red-emitting luminescence. They are characterized by a luminescence decay which is strongly temperature dependent in the range from -50 °C to 150 °C, making these materials very promising for temperature sensing in the biochemical field. In this work, the optical and thermal properties of the luminescence of Mg<sub>2</sub>TiO<sub>4</sub> are investigated for different Mn<sup>4+</sup> doping concentrations. The potential of this material for temperature sensing is demonstrated by fabricating a fiber optic temperature microsensor and by comparing its performance against a standard resistance thermometer. The response of the fiber optic sensor is exceptionally fast, with a response time below 1 s in the liquid phase and below 1.1 s in the gas phase.</p>