A5014365722- Phase Equilibria and Thermodynamics
- Innovative Microfluidic and Catalytic Techniques Innovation
- Subcritical and Supercritical Water Processes
- Microfluidic and Capillary Electrophoresis Applications
- Catalytic Processes in Materials Science
- CO2 Sequestration and Geologic Interactions
- Catalysis and Oxidation Reactions
- Methane Hydrates and Related Phenomena
- Enhanced Oil Recovery Techniques
- Crystallization and Solubility Studies
- Quantum Dots Synthesis And Properties
- Microbial Community Ecology and Physiology
- Theoretical and Computational Physics
- Reservoir Engineering and Simulation Methods
- Polymer Foaming and Composites
- Heat Transfer and Boiling Studies
- Diamond and Carbon-based Materials Research
- Semiconductor materials and devices
- Ionic liquids properties and applications
- ZnO doping and properties
- Marine Biology and Ecology Research
- Fluid Dynamics and Thin Films
- Hydrocarbon exploration and reservoir analysis
- Advanced Materials Characterization Techniques
- Spectroscopy and Quantum Chemical Studies
Institut de Chimie de la Matière Condensée de Bordeaux
2016-2025
Université de Bordeaux
2015-2024
Institut Polytechnique de Bordeaux
2013-2024
Centre National de la Recherche Scientifique
2015-2024
École Nationale Supérieure de Chimie, de Biologie et de Physique
2007-2020
Bipar
2019-2020
International Council on Mining and Metals
2015
Commissariat à l'Énergie Atomique et aux Énergies Alternatives
2014-2015
Massachusetts Institute of Technology
2008-2011
Institut de Chimie
2009
The development of chemically compatible microsystems that can operate across expanded process conditions, such as high pressures (HP) and temperatures (HT), is great interest for many applications, including pressure chemistry hydrothermal supercritical fluid processes. We present a methodology the successful design use HP/HT microsystems. Key parameters fabrication microreactors modular fluidic packaging able to withstand severe temperature conditions (30 MPa, 400 °C) are described....
CdSe quantum dots (QDs) with narrow size distribution are synthesized continuously in a pressurized high-temperature microreactor using supercritical hexane as the main solvent. The as-prepared QDs exhibit photoluminescence emission (full-width at half-maximum small 25 nm, corresponding to σ = 4%), showing advantages of supercritical-fluid synthesis compared conventional high-boiling-point solvents.
This review outlines the combination of infrared spectroscopy and continuous microfluidic processes.
Supercritical fluids offer fast and facile routes toward well-crystallized tailor-made cerium oxide nanoparticles. However, the use of surfactants to control morphology surface properties remains essential. Therefore, although water, near-critical (nc) or supercritical (sc), is a solvent choice, poor water solubility some could require other systems such as alcohols, which themselves behave modifiers. In here, influence seven different MeOH, EtOH, PrOH, iPrOH, ButOH, PentOH, HexOH, in...
This paper rationalizes the green and scalable synthesis of graphenic materials different aspect ratios using anthracite coal as a single source material under supercritical environments. Single layer, monodisperse graphene oxide quantum dots (GQDs) are obtained at high yield (55 wt %) from in water. The GQDs ∼3 nm lateral size display fluorescence 28%. They show cell viability readily used for imaging cancer cells. In an analogous experiment, ratio with ribbon-like morphology (GRs)...
This mini-review focuses on two different miniaturizing approaches: the first one describes generation and use of droplets flowing within a millifluidic tool as individual batch microreactors. The second reports high pressure microflows in chemistry. Millifluidics is an inexpensive, versatile easy to approach which upscaled from microfluidics. It enables produce hierarchically organized multiple emulsions or particles with good control over sizes shapes, well provide convenient data...
ZnO nanocrystals of high quality with pure UV-emitting properties were synthesized through a new microfluidic approach based on supercritical fluids and separation nucleation/growth functionalization steps (see picture). The as-synthesized (NCs) show exciton luminescence without classical defect-state luminescence. Detailed facts importance to specialist readers are published as "Supporting Information". Such documents peer-reviewed, but not copy-edited or typeset. They made available...
In this work, we present a novel microfluidic-based approach for investigating the thermodynamics of multicomponent systems at high pressures and temperatures, such as determining miscibility diagrams critical coordinates complex mixtures. The developed method is primarily based on (i) bubble dew point detection through optical characterization (ii) use so-called dynamic stop-flow measurement mode fast screening diagram parameters, mainly P, T composition. Our strategy was validated studies...
One phase – two processes magnitudes for synthesis time and the particle size.
Supercritical water oxidation (SCWO) with hydrothermal flames is well established for the treatment of aqueous organic waste as it not only overcomes limitations simple SCWO, such precipitation salts, but also exhibits many advantages over other processes. Seeking these advantages, we propose to perform SCWO using in microfluidic reactors (μSCWO) aerospace applications be used deep space/ISS missions. The novelty and highlight this work are successful demonstration realizing microreactors...
We describe fluoropolymer modification of silicon microreactors for control wetting properties in chemical synthesis applications and characterize the impact coating on liquid-liquid multiphase flows solvents water. Annular flow nitrogen gas a Teflon AF (DuPont) dispersion enable controlled evaporation solvent, which turn brings about three-dimensional polymer deposition microchannel walls. Consequently, behavior is switched from hydrophilic to hydrophobic. Analysis reveals that layer...
In order to investigate on the pore scale mechanisms involved during CO<sub>2</sub> injection in a water saturated network, series of displacement experiments is reported using high pressure micromodels (geological labs chip – GloCs) working under real geological conditions (25 < <italic>T</italic> (°C) 75 and 4.5 <italic>p</italic> (MPa) 8).
The formation of surface nanostructures allows assemblies materials at different scales, opening new routes toward the design advanced nanostructured materials. decoration surfaces with shape- and size-controlled metal nanoparticles can be achieved through reduction hexafluoroacetylacetonate complexes [M(hfac)x] H2 in supercritical CO2/alcohol low temperature neither catalyst nor prefunctionalization. This paper investigates influence alcohols, methanol, ethanol, isopropanol, used as...
Dripping to jetting transition from liquid-liquid liquid-gas systems has been widely studied in microfluidics. Recent developments have permitted the use of supercritical fluids at high pressure and various temperatures microfluidic develop sustainable processes. In this article, we strategy demonstrate possibility generate stable droplets reversible dripping transitions microscale carbon dioxide-liquid water microcoflows.
Chemically synthesized nanomaterials, such as nanocrystalline quantum dots, are being considered the active element in many applications, including photovoltaics, displays, and biochem sensing. To realize promise of these devices, it will be critical to have an efficient, reproducible synthesis technique nanostructures. Currently, nanoparticles a batch mode small volumes, which is appropriate for studying fundamental properties nanosized structures developing proof principle device...
We report for the first time use of a microfluidic supercritical antisolvent process (μSAS) to synthesize semiconducting polymer nanoparticles (NPs) poly(3-hexylthiophene) (P3HT).
On the surface: A library of organic–inorganic hybrid palladium nanocrystals was synthesized using continuous supercritical microfluidic technology. The nanocatalysts show moderate to excellent activities towards CArB and CArCAr bond-forming reactions, thus illustrating relationship between surface properties modulated catalytic activity. Detailed facts importance specialist readers are published as ”Supporting Information”. Such documents peer-reviewed, but not copy-edited or typeset....