A5024303912- Luminescence Properties of Advanced Materials
- Solid-state spectroscopy and crystallography
- Crystal Structures and Properties
- Glass properties and applications
- Gas Sensing Nanomaterials and Sensors
- Solid State Laser Technologies
- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Perovskite Materials and Applications
- Nonlinear Optical Materials Research
- Metal-Organic Frameworks: Synthesis and Applications
- Photorefractive and Nonlinear Optics
- Thermal and Kinetic Analysis
- Crystal structures of chemical compounds
- GaN-based semiconductor devices and materials
- Radiation Detection and Scintillator Technologies
- Inorganic Fluorides and Related Compounds
- Ga2O3 and related materials
- Microwave Dielectric Ceramics Synthesis
- Magnetism in coordination complexes
- Chemical Thermodynamics and Molecular Structure
- Spectroscopy and Laser Applications
- Luminescence and Fluorescent Materials
- Metallic Glasses and Amorphous Alloys
- Optical properties and cooling technologies in crystalline materials
University of Sfax
2016-2025
Groupe de Physique des Matériaux
2015-2020
Laboratoire de Chimie
2010-2015
Laboratoire de Chimie Physique
2008-2011
Laboratoire de Physique Théorique
2006-2010
Institut National des Sciences Appliquées de Lyon
1999-2002
University of Monastir
1997-2001
Centre National de la Recherche Scientifique
1999
Temperature and pressure are fundamental physical parameters in the field of materials science, making their monitoring utmost significance for scientists engineers. Here, NaSrY(MoO4)3:0.02Er3+/0.01Tm3+/0.15Yb3+ nanophosphor is developed as an optical sensor material. Under 975 nm laser excitation, upconversion characteristics detection performance multifunctional sensing platform temperature (vacuum) investigated. We have successfully a novel that enables temperature. This utilizes...
A lot of people are interested in optical thermometry, especially the new single-band ratiometric (SBR) technology for measuring temperature. But since SBR thermometry is still its infancy, it highly constrained when compared to conventional dual-band approach. In this paper, we propose a technique that based on both ground and excited state absorption processes. When these two different processes occur, green emission Tb3+ low-cost host NaSrGd(MoO4)3 (NSGM) responds changes temperature way...
Chemical compounds with high upconversion (UC) intensity are still needed for temperature-sensing media based on the fluorescence ratio (FIR) technique of UC materials. In this work, citrate-based sol–gel method was used to produce Yb3+/Er3+–Bi3+ codoped Ba2YV3O11 (BYVO) nanophosphors. Using X-ray diffraction, scanning electron microscopy, and transmission we examined influence Bi3+ ions phase structure morphology BYVO examined. Power-dependent photoluminescence (PL) spectroscopy shows how...
We present a comprehensive study showcasing the multifunctional capabilities of lanthanide-doped materials as optical sensors for temperature and pressure. Furthermore, we introduce novel bi-modal sensing approach using these materials.
Intense green up/down conversion emission and high-sensitivity optical thermometry.
Optical thermometry is a non-contact temperature sensing technique with widespread applications.
Luminescent materials doped with rare-earth (RE) ions have emerged as powerful tools in thermometry, offering high sensitivity and accuracy.
In this work, we investigate the impact of Bi 3+ doping on luminescence properties Eu -activated NaYb(MoO 4 ) 2 phosphors synthesized via conventional solid-state reaction method.
High-precision optical thermometry using Pr 3+ -doped NaCaY(MoO 4 ) 3 luminophores.
Novel orthophosphate LiZnPO4:Yb 3+ –Er /Ho with tunable luminescence have been synthesized via sol–gel/Pechini method for optical thermometry.
In the last few years, huge progress has been made in development of remote optical thermometry strategies, due to their non-contact, high-sensitivity and fast measurement characteristics, which are especially important for various industrial bio-applications. For these purposes, lanthanide-doped particles seem be most promising luminescence thermometers. this study, Tm3+/Yb3+:Na3GdV2O8 (NGVO) phosphors were prepared using a sol-gel method. Under 980 nm excitation, upconversion (UC)...
A new Na
Owing to some special superior features, luminescence ratiometric thermometry has acquired popularity, particularly dual excitation single emission (SBR) and (FIR). Nonetheless, it remains difficult create that can operate in multiple modes. The integration of FIR SBR techniques paves the way for advancements various fields, including industrial processes, environmental monitoring, biomedical applications, where accurate temperature measurements are crucial optimal performance safety. In...
Multifunctional materials are needed for multidimensional stimuli-sensing devices to monitor equipment in complicated working situations. Energy upconverting (UC) nanophosphors doped with rare earth ions widely studied as optical temperature and pressure sensors via the control of fluorescence (luminescence) intensity ratio. Nonetheless, most Er3+-doped still have limited sensitivity detection. In present study, we attempted develop high-sensitivity sensor based on thermally coupled energy...
This study delves into the Single Band Ratiometric (SBR) method for luminescence thermometry, specifically employing Tb
Optical thermometry has emerged as a crucial non-contact method for temperature measurement, serving broad array of applications.