Sébastien Schaefer
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View article: Optimization of Organic Content Removal from Aqueous Solutions by Fenton-Ozonation
Optimization of Organic Content Removal from Aqueous Solutions by Fenton-Ozonation Open
This paper presents a study on the optimization of 2,4-Dichlorophenoxyacetic (2,4-D) acid removal from synthetic wastewater by batch Fenton-Ozonation. The aim of this study is to evaluate the potential of the catalytic system Fe-L27 couple…
View article: Understanding the role of pollutant confinement during the thermal regeneration of activated carbons
Understanding the role of pollutant confinement during the thermal regeneration of activated carbons Open
International audience
View article: Effect of Particle Size on the Origin of Electromechanical Response in BaTiO<sub>3</sub>/PDMS Nanogenerators
Effect of Particle Size on the Origin of Electromechanical Response in BaTiO<sub>3</sub>/PDMS Nanogenerators Open
International audience
View article: Dielectric and Ultrasonic Properties of PDMS/TiO2 Nanocomposites
Dielectric and Ultrasonic Properties of PDMS/TiO2 Nanocomposites Open
This work presents the dielectric and ultrasonic properties of polydimethylsiloxane (PDMS) nanocomposites filled with titanium dioxide nanoparticles. The dielectric study was performed over a very broad range of frequencies (20 Hz–3 THz). …
View article: Is heteroatom doping of activated carbons always a good strategy for enhancing CO2 adsorption?
Is heteroatom doping of activated carbons always a good strategy for enhancing CO2 adsorption? Open
View article: Piezoelectric Nanogenerators Based On BaTiO<sub>3</sub>/PDMS Composites for High-Frequency Applications
Piezoelectric Nanogenerators Based On BaTiO<sub>3</sub>/PDMS Composites for High-Frequency Applications Open
A series of highly flexible and environmentally friendly composites based on polydimethylsiloxane (PDMS) filled with 200 nm size ferroelectric BaTiO3 (BTO) particles at different concentrations (from 7 to 23 vol %) have been fab…
View article: Roles of Surface Chemistry and Texture of Nanoporous Activated Carbons in CO<sub>2</sub> Capture
Roles of Surface Chemistry and Texture of Nanoporous Activated Carbons in CO<sub>2</sub> Capture Open
8 figures.-- Supporting information available.
View article: Noise and Electrical Characteristics of Composites Filled with Onion-Like Carbon Nanoparticles
Noise and Electrical Characteristics of Composites Filled with Onion-Like Carbon Nanoparticles Open
Polymer matrix composites filled with carbon nanoparticles are promising materials for many applications, but their properties strongly depend on the particle features, concentration and distribution within the matrix. Here we present a st…
View article: Dielectric properties of polydimethylsiloxane composites filled with <scp>SrTiO<sub>3</sub></scp> nanoparticles
Dielectric properties of polydimethylsiloxane composites filled with <span>SrTiO<sub>3</sub></span> nanoparticles Open
This article deals with the dielectric properties of polydimethylsiloxane (PDMS) nanocomposites filled with SrTiO 3 nanoparticles. The investigations were performed over a very broad range of frequencies (20 Hz to 3 THz). Almost no dielect…
View article: A Step Forward in Understanding the Hydrogen Adsorption and Compression on Activated Carbons
A Step Forward in Understanding the Hydrogen Adsorption and Compression on Activated Carbons Open
Hydrogen adsorption on activated carbons (ACs) is a promising alternative to compression and liquefaction for storing hydrogen. Herein, we have studied hydrogen adsorption on six commercial ACs (CACs) with surface areas ranging from 996 to…
View article: Carbon gels derived from phenolic-oil for pollutants removal in water phase
Carbon gels derived from phenolic-oil for pollutants removal in water phase Open
View article: Oxygen-promoted hydrogen adsorption on activated and hybrid carbon materials
Oxygen-promoted hydrogen adsorption on activated and hybrid carbon materials Open
View article: Electrical percolation and electromagnetic properties of polydimethylsiloxane composites filled with Ag nanoparticles of different sizes
Electrical percolation and electromagnetic properties of polydimethylsiloxane composites filled with Ag nanoparticles of different sizes Open
This paper deals with the electrical properties of polydimethylsiloxane nanocomposites filled with Ag nanoparticles (AgNPs) of different sizes. The measurements were carried out over a very broad range of frequencies (20 Hz‐40 GHz), and th…
View article: Electromagnetic Properties of Carbon Gels
Electromagnetic Properties of Carbon Gels Open
The electromagnetic properties of various carbon gels, produced with different bulk densities, were investigated in a wide frequency range (20 Hz–36 GHz). The values of dielectric permittivity and electrical conductivity at 129 Hz were fou…
View article: Application of the modified Dubinin-Astakhov equation for a better understanding of high-pressure hydrogen adsorption on activated carbons
Application of the modified Dubinin-Astakhov equation for a better understanding of high-pressure hydrogen adsorption on activated carbons Open
View article: Novel Porous Carbons Derived from Coal Tar Rejects: Assessment of the Role of Pore Texture in CO<sub>2</sub> Capture under Realistic Postcombustion Operating Temperatures
Novel Porous Carbons Derived from Coal Tar Rejects: Assessment of the Role of Pore Texture in CO<sub>2</sub> Capture under Realistic Postcombustion Operating Temperatures Open
Activated carbons (ACs) are among the most commonly used sorbents for CO2 capture because of their high surface areas and micropore volumes, which depend on precursor and activation methods. In this study, we evaluated different…
View article: Hydrogen adsorption in cryogenic conditions: relationship between the porous texture and the parameters of the Modified Dubinin-Astakhov equation
Hydrogen adsorption in cryogenic conditions: relationship between the porous texture and the parameters of the Modified Dubinin-Astakhov equation Open
Among the wide variety of existing carbons materials, activated carbons (ACs) exhibit, on average, the highest hydrogen adsorption capacities (up to 7 wt. % at 4 MPa and 77 K) . Hydrogen adsorption on ACs is really advantageous at moderate…
View article: An Enhanced Carbon Capture and Storage Process (e-CCS) Applied to Shallow Reservoirs Using Nanofluids Based on Nitrogen-Rich Carbon Nanospheres
An Enhanced Carbon Capture and Storage Process (e-CCS) Applied to Shallow Reservoirs Using Nanofluids Based on Nitrogen-Rich Carbon Nanospheres Open
The implementation of carbon capture and storage process (CCS) has been unsuccessful to date, mainly due to the technical issues and high costs associated with two main stages: (1) CO2 separation from flue gas and (2) CO2 injection in deep…
View article: A new method for measuring the thermal conductivity of small insulating samples
A new method for measuring the thermal conductivity of small insulating samples Open
Due to the limited size of samples prepared at the lab scale, characterizing the thermal properties of new materials may be problematic, and this makes it all the more difficult to optimize them. This statement especially applies to the de…
View article: Floating hollow carbon spheres for improved solar evaporation
Floating hollow carbon spheres for improved solar evaporation Open
View article: Thermally-driven hydrogen compression based on adsorption onto activated carbons
Thermally-driven hydrogen compression based on adsorption onto activated carbons Open
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View article: Easy Preparation of Tannin‐Based Ag Catalysts for Ethylene Epoxidation
Easy Preparation of Tannin‐Based Ag Catalysts for Ethylene Epoxidation Open
Ultramicroporous carbons loaded with silver (Ag) nanoparticles were synthesised by submitting tannins to hydrothermal treatment in aqueous solutions of silver nitrate at different concentrations, followed by a pyrolysis step. The resultant…
View article: Rice straw-based activated carbons doped with SiC for enhanced hydrogen adsorption
Rice straw-based activated carbons doped with SiC for enhanced hydrogen adsorption Open
View article: Effect of doping ofnanoporous adsorbent with nanodispersed metals or semi-metals on their hydrogen strorage properties
Effect of doping ofnanoporous adsorbent with nanodispersed metals or semi-metals on their hydrogen strorage properties Open
View article: Effets du dopage d'adsorbants nanoporeux par des métaux ou des semi-métaux nanodispersés sur leurs performances en stockage d'hydrogène par sorption
Effets du dopage d'adsorbants nanoporeux par des métaux ou des semi-métaux nanodispersés sur leurs performances en stockage d'hydrogène par sorption Open
In this PhD work, microporous carbonaceous materials decorated with metallic nanoparticles were developed in order to study the effect of nanodispersed metals on hydrogen sorption properties. Bio-sourced precursors such as sucrose, mimosa …
View article: Measuring and understanding radon adsorption in microporous materials
Measuring and understanding radon adsorption in microporous materials Open
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