Emmanuelle Dubois
YOU?
Author Swipe
View article: Correction: Exchange-bias and magnetic anisotropy fields in core–shell ferrite nanoparticles
Correction: Exchange-bias and magnetic anisotropy fields in core–shell ferrite nanoparticles Open
View article: The Effect of Adsorption Phenomena on the Transport in Complex Electrolytes
The Effect of Adsorption Phenomena on the Transport in Complex Electrolytes Open
Over the last decade, numerous impedance studies of the conductivity of suspensions containing colloidal (dielectric, semiconducting or metallic) particles have often led to the conclusion that the well-known Maxwell theory is insufficient…
View article: Electronic Structure Sensitivity to Hydration in Smectite Clays Unveiled by Near-Ambient Pressure X-ray Photoelectron Spectroscopy
Electronic Structure Sensitivity to Hydration in Smectite Clays Unveiled by Near-Ambient Pressure X-ray Photoelectron Spectroscopy Open
International audience
View article: Colloidal dispersions of cobalt ferrite nanoparticles in EMIM TFSI, propylene carbonate and their mixtures
Colloidal dispersions of cobalt ferrite nanoparticles in EMIM TFSI, propylene carbonate and their mixtures Open
International audience
View article: Colloidal dispersions of cobalt ferrite nanoparticles in EMIM TFSI, propylenecarbonate and their mixtures
Colloidal dispersions of cobalt ferrite nanoparticles in EMIM TFSI, propylenecarbonate and their mixtures Open
Liquid thermocells are promising devices for the recovery of low-grade waste heat and its conversion into electricity. The present study proposes dispersing charged magnetic nanoparticles in liquids to improve thermoelectric conversion, du…
View article: Role of Cationic Organization on Water Dynamics in Saponite Clays
Role of Cationic Organization on Water Dynamics in Saponite Clays Open
International audience
View article: Colloidal Dispersions of Cobalt Ferrite Nanoparticles in Emim Tfsi, Propylenecarbonate and Their Mixtures
Colloidal Dispersions of Cobalt Ferrite Nanoparticles in Emim Tfsi, Propylenecarbonate and Their Mixtures Open
View article: Role of cationic organisation on water dynamics in saponite clays
Role of cationic organisation on water dynamics in saponite clays Open
Water dynamics impacts many phenomena from geosciences to biology, especiallly in confined environments. In the presence of charged interfaces, there are some ions the role of which with regards to the water dynamics is unclear. Here a syn…
View article: Ion specific tuning of nanoparticle dispersion in an ionic liquid: A structural, thermoelectric and thermo-diffusive investigation
Ion specific tuning of nanoparticle dispersion in an ionic liquid: A structural, thermoelectric and thermo-diffusive investigation Open
Dispersions of charged maghemite nanoparticles (NPs) in EAN (ethylammonium nitrate), a reference Ionic Liquid (IL), are here studied using a number of static and dynamical experimental techniques; Small Angle Scattering (SAS) of X-rays and…
View article: Role of cationic organisation on water dynamics in saponite clays
Role of cationic organisation on water dynamics in saponite clays Open
Water dynamics impacts many phenomena from geosciences to biology, especiallly in confined environments. In the presence of charged interfaces, there are some ions the role of which with regards to the water dynamics is unclear. Here a syn…
View article: Electrical surface properties of nanoporous alumina membranes: influence of nanochannels curvature, roughness and composition studied by electrokinetic experiments
Electrical surface properties of nanoporous alumina membranes: influence of nanochannels curvature, roughness and composition studied by electrokinetic experiments Open
Among classical nanoporous oxide membranes, anodic aluminum oxide (AAO) membranes, made of non-connected, parallel and ordered nanochannels, are very interesting nanoporous model systems widely used for multiple applications. Since most of…
View article: Ion specific tuning of nanoparticle dispersion in an ionic liquid: A structural, thermoelectric and thermo-diffusive investigation
Ion specific tuning of nanoparticle dispersion in an ionic liquid: A structural, thermoelectric and thermo-diffusive investigation Open
Dispersions of charged maghemite nanoparticles (NPs) in EAN (ethylammonium nitrate), a reference Ionic Liquid (IL), are here studied using a number of static and dynamical experimental techniques; Small Angle Scattering (SAS) of X-rays and…
View article: Role of cationic organisation on water dynamics in saponite clays
Role of cationic organisation on water dynamics in saponite clays Open
Water dynamics impacts many phenomena from geosciences to biology, especiallly in confined environments. In the presence of charged interfaces, there are some ions the role of which with regards to the water dynamics is unclear. Here a syn…
View article: Electrical surface properties of nanoporous alumina membranes: influence of nanochannels’ curvature, roughness and composition studied <i>via</i> electrokinetic experiments
Electrical surface properties of nanoporous alumina membranes: influence of nanochannels’ curvature, roughness and composition studied <i>via</i> electrokinetic experiments Open
The combination of several electrokinetic techniques on different surfaces of AAO membranes reveals differences in IEPs that presumably originate from the variation of the coordination number of aluminum atoms depending on the probed surfa…
View article: Ion specific tuning of nanoparticle dispersion in an ionic liquid: a structural, thermoelectric and thermo-diffusive investigation
Ion specific tuning of nanoparticle dispersion in an ionic liquid: a structural, thermoelectric and thermo-diffusive investigation Open
Alkaline counterions at the nanoparticle/ethylammonium nitrate ionic liquid interface impact the macroscopic dispersion’s properties, by tuning interparticle and particle/solvent interactions.
View article: Ion specific tuning of nanoparticle dispersion in an ionic liquid: A structural, thermoelectric and thermo-diffusive investigation
Ion specific tuning of nanoparticle dispersion in an ionic liquid: A structural, thermoelectric and thermo-diffusive investigation Open
Dispersions of charged maghemite nanoparticles (NPs) in EAN (ethylammonium nitrate) a reference Ionic Liquid (IL), are here studied using a number of static and dynamical experimental techniques; Small Angle Scattering (SAS) of X-rays and …
View article: A numerical study on the interplay between the intra-particle and interparticle characteristics in bimagnetic soft/soft and hard/soft ultrasmall nanoparticle assemblies
A numerical study on the interplay between the intra-particle and interparticle characteristics in bimagnetic soft/soft and hard/soft ultrasmall nanoparticle assemblies Open
A mesoscopic scale approach and the Monte Carlo method have been employed to study the exchange bias behaviour of MnFe 2 O 4 @γ-Fe 2 O 3 and CoFe 2 O 4 @γ-Fe 2 O 3 nanoparticles of size ∼3 nm in dense and diluted assemblies at low temperat…
View article: Design of concentrated colloidal dispersions of iron oxide nanoparticles in ionic liquids: Structure and thermal stability from 25 to 200 °C
Design of concentrated colloidal dispersions of iron oxide nanoparticles in ionic liquids: Structure and thermal stability from 25 to 200 °C Open
View article: Design of Long-Term Stable Concentrated Colloidal Dispersions in Ionic Liquids up to 473 K
Design of Long-Term Stable Concentrated Colloidal Dispersions in Ionic Liquids up to 473 K Open
Some of the most promising fields of application of ionic liquid-based colloids imply elevated temperatures. Their careful design and analysis is therefore essential. The system studied are iron oxide nanoparticles (NPs) dispersed in ethyl…
View article: Design of Long-Term Stable Concentrated Colloidal Dispersions in Ionic Liquids up to 473 K
Design of Long-Term Stable Concentrated Colloidal Dispersions in Ionic Liquids up to 473 K Open
Some of the most promising fields of application of ionic liquid-based colloids imply elevated temperatures. Their careful design and analysis is therefore essential. The system studied are iron oxide nanoparticles (NPs) dispersed in ethyl…
View article: Multifunctional Magnetic Nanocolloids for Hybrid Solar-Thermoelectric Energy Harvesting
Multifunctional Magnetic Nanocolloids for Hybrid Solar-Thermoelectric Energy Harvesting Open
Present environmental issues force the research to explore radically new concepts in sustainable and renewable energy production. In the present work, a functional fluid consisting of a stable colloidal suspension of maghemite magnetic nan…
View article: Design of Long-Term Stable Concentrated Colloidal Dispersions in Ionic Liquids up to 473 K
Design of Long-Term Stable Concentrated Colloidal Dispersions in Ionic Liquids up to 473 K Open
The use of ionic liquid-based colloids at elevated temperatures is one of their most promising fields of application. However long term stability on the whole range of temperature is mandatory. First a detailed study on colloidal disper…
View article: Design of Long-Term Stable Concentrated Colloidal Dispersions in Ionic Liquids up to 473 K
Design of Long-Term Stable Concentrated Colloidal Dispersions in Ionic Liquids up to 473 K Open
The use of ionic liquid-based colloids at elevated temperatures is one of their most promising fields of application. However long term stability on the whole range of temperature is mandatory. First a detailed study on colloidal dispersio…
View article: Exchange-bias and magnetic anisotropy fields in core–shell ferrite nanoparticles
Exchange-bias and magnetic anisotropy fields in core–shell ferrite nanoparticles Open
View article: Magnetic Hyperthermia on γ-Fe 2 O 3 @SiO 2 Core-Shell Nanoparticles for mi-RNA 122 Detection
Magnetic Hyperthermia on γ-Fe 2 O 3 @SiO 2 Core-Shell Nanoparticles for mi-RNA 122 Detection Open
International audience
View article: Thermodiffusion anisotropy under a magnetic field in ionic liquid-based ferrofluids
Thermodiffusion anisotropy under a magnetic field in ionic liquid-based ferrofluids Open
Ferrofluids based on maghemite nanoparticles (NPs), typically 10 nm in diameter, are dispersed in an ionic liquid (1-ethyl 3-methylimidazolium bistriflimide – EMIM-TFSI).
View article: Probing Polyelectrolyte Adsorption in Charged Nanochannels by Streaming Potential Measurements
Probing Polyelectrolyte Adsorption in Charged Nanochannels by Streaming Potential Measurements Open
It remains a great experimental challenge to obtain quantitative information on the polyelectrolyte (PE) behavior confined in charged nanoporous materials. Here, we propose an original approach using transverse streaming potential measurem…
View article: Improving structural features of nanoporous alumina using deuterated electrolytes
Improving structural features of nanoporous alumina using deuterated electrolytes Open
View article: Swarming of micron-sized hematite cubes in a rotating magnetic field – Experiments
Swarming of micron-sized hematite cubes in a rotating magnetic field – Experiments Open
View article: Structural, Thermodiffusive and Thermoelectric Properties of Maghemite Nanoparticles Dispersed in Ethylammonium Nitrate
Structural, Thermodiffusive and Thermoelectric Properties of Maghemite Nanoparticles Dispersed in Ethylammonium Nitrate Open
<p>Ethylammonium nitrate (ionic liquid) based ferrofluids with citrate-coated nanoparticles and Na + counterions were synthesized for a wide range of nanoparticle (NP) volume fractions ( Φ ) of up to 16%. Deta…