A5039007810- Radioactive element chemistry and processing
- Lanthanide and Transition Metal Complexes
- Radioactive contamination and transfer
- Photochemistry and Electron Transfer Studies
- Nuclear Materials and Properties
- Electrochemical Analysis and Applications
- Luminescence Properties of Advanced Materials
- Analytical chemistry methods development
- TiO2 Photocatalysis and Solar Cells
- Atomic and Subatomic Physics Research
- Catalysis and Oxidation Reactions
- Machine Learning in Materials Science
- Chalcogenide Semiconductor Thin Films
- Advanced Chemical Physics Studies
- Magnetism in coordination complexes
- Atmospheric and Environmental Gas Dynamics
- Organometallic Complex Synthesis and Catalysis
- Spectroscopy and Quantum Chemical Studies
- Spectroscopy Techniques in Biomedical and Chemical Research
- CO2 Sequestration and Geologic Interactions
- Ionic liquids properties and applications
- Crystallization and Solubility Studies
- Conducting polymers and applications
- Nuclear materials and radiation effects
- Chemical and Physical Properties in Aqueous Solutions
Université Paris-Saclay
2020-2024
Institut National de Physique Nucléaire et de Physique des Particules
2023-2024
Institut des Sciences Chimiques de Rennes
2022-2024
Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
2024
Centre National de la Recherche Scientifique
2017-2024
Nantes Université
2023
Université de Rennes
2023
Laboratoire de Physique Subatomique et des Technologies Associées
2022-2023
IMT Atlantique
2023
Laboratoire de Chimie Théorique
2019-2022
The luminescence spectra of triscarbonatouranyl complexes were determined by experimental and theoretical methods. Time-resolved laser-induced fluorescence spectroscopy was used to monitor uranyl bicarbonate solutions at 0.1 mol kgw-1 ionic strength pH ca. 8. concentrations Mg2+ Ca2+ in the samples chosen order vary proportions alkaline earth ternary MgUO2(CO3)32-, CaUO2(CO3)32-, Ca2UO2(CO3)3. spectrum each complex decomposition compare it with simulated model structures...
The luminescence properties of the [UO2Cl4]2– complex in an organic phase, especially influence large countercations, have been studied by time-resolved laser-induced fluorescence spectroscopy (TRLFS) and ab initio modeling. experimental spectrum was assigned vibronic Franck–Condon calculations on quantum chemical methods basis a combination relativistic density functional approaches. shape uranyl tetrachloride is determined symmetrical vibrations geometrical change upon emission. possible...
Protactinium ( Z = 91) is a very rare actinide with peculiar physico-chemical properties.
Bent uranyl complexes can be formed with chloride ligands and 1,10-phenanthroline (phen) bound to the equatorial axial planes of uranyl(VI) moiety, as revealed by crystal structures, IR Raman spectroscopy, quantum-chemical calculations. With goal probing influence phenanthroline coordination enforcing bending on absorption emission spectra this complex, spin–orbit time-dependent density functional theory calculations for bare well free UO2Cl2 subunit UO2Cl2(phen)2 complex were performed. The...
Uranyl binitrate complexes have a particular interest in the nuclear industry, especially reprocessing of spent fuel. The modified PUREX extraction process is designed to extract U(VI) form UO2(NO3)2(L)2 as has been confirmed by extended X-ray absorption fine structure (EXAFS), diffraction (XRD), and time-resolved laser-induced fluorescence spectroscopy (TRLFS) measurements. In this study, L ligands are two molecules N,N-di-(ethyl-2-hexyl)isobutyramide (DEHiBA) monoamide used bind uranyl its...
We use state-of-the-art solid-state and molecular quantum mechanical calculations to predict a longer Pa–O mono-oxo bond than what was reported in the literature.
Bent uranyl complexes can be formed with chloride ligands and 1,10-phenanthroline (phen) bound to the equatorial axial planes of uranyl(VI) moiety, as revealed by crystal structures, IR Raman spectroscopy quantum chemical calculations. With goal probing influence phenanthroline coordination enforcing bending on absorption emission spectra this complex, spin-orbit time-dependent density functional theory calculations for bare well free UO2Cl2 subunit UO2Cl2(phen)2 ligand were performed. The...
Bent uranyl complexes can be formed with chloride ligands and 1,10-phenanthroline (phen) bound to the equatorial axial planes of uranyl(VI) moiety, as revealed by crystal structures, IR Raman spectroscopy quantum chemical calculations. With goal probing influence phenanthroline coordination enforcing bending on absorption emission spectra this complex, spin-orbit time-dependent density functional theory calculations for bare well free UO2Cl2 subunit UO2Cl2(phen)2 ligand we performed. The has...
The complexation of uranyl hydroxides with orthosilicic acid was investigated by experimental and theoretical methods. Spectroluminescence titration performed in a glovebox under argon atmosphere at pH 9.2, 10.5 11.5, [U(VI)] = 10-6 5 × mol kgw-1. polymerization effects silicic were minimized ruling out samples less than 90 % monomeric present, identified via UV-Vis spectrometry using the molybdate blue method. Linear regression analysis based on time-resolved laser-induced fluorescence...