Nicolas Naudé
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View article: Investigation of Filamentary and Diffuse DBD in CO<sub>2</sub> by Means of InSitu FTIR Absorption Spectroscopy
Investigation of Filamentary and Diffuse DBD in CO<sub>2</sub> by Means of InSitu FTIR Absorption Spectroscopy Open
International audience
View article: On the modification of the dielectric barrier discharge electrical properties over one-hour operation using measurements without discharge
On the modification of the dielectric barrier discharge electrical properties over one-hour operation using measurements without discharge Open
In this work, the electrical properties of a semi-industrial dielectric barrier discharge (DBD) system, characterized by a single thin dielectric, were investigated over a one-hour operation period. The discharge, generated in nitrogen, op…
View article: Nitrogen incorporation in monolayer graphene films by atmospheric pressure Townsend dielectric barrier discharge in N<sub>2</sub>
Nitrogen incorporation in monolayer graphene films by atmospheric pressure Townsend dielectric barrier discharge in N<sub>2</sub> Open
Graphene films grown by chemical vapor deposition and transferred on SiO 2 /Si substrates were treated by a low-frequency dielectric barrier discharge (DBD) operated in N 2 at atmospheric pressure. The discharge conditions were carefully c…
View article: Investigation of filamentary and diffuse DBD in CO 2 by means of in-situ FTIR absorption spectroscopy
Investigation of filamentary and diffuse DBD in CO 2 by means of in-situ FTIR absorption spectroscopy Open
International audience
View article: Barrier discharges in CO$_2$ -- optical emission spectra analysis and E/N determination from intensity ratio
Barrier discharges in CO$_2$ -- optical emission spectra analysis and E/N determination from intensity ratio Open
We study barrier discharges in CO$_2$ using optical emission spectroscopy and electrical measurements. We record the spectra of weak CO$_2$ barrier discharge emission in UV-VIS-NIR range. The CO spectral bands of 3rd positive, Angstrom and…
View article: Evolution of the electrical characteristics of an atmospheric pressure dielectric barrier discharge system over one hour operation
Evolution of the electrical characteristics of an atmospheric pressure dielectric barrier discharge system over one hour operation Open
In this work, long-time operation of a dielectric barrier discharge (DBD) characterized by a single thin dielectric was investigated. The discharge was operated under nitrogen at atmospheric pressure in a typical filamentary regime. Electr…
View article: Pulsed aerosol-assisted plasma processes for (multi)functional thin film deposition
Pulsed aerosol-assisted plasma processes for (multi)functional thin film deposition Open
International audience
View article: Homogeneous dielectric barrier discharge in CO<sub>2</sub>
Homogeneous dielectric barrier discharge in CO<sub>2</sub> Open
This study investigates dielectric barrier discharges generated in CO 2 at atmospheric pressure. According to the literature, under these conditions, discharges usually work in the filamentary regime. On the contrary, the experimental resu…
View article: Direct Liquid Reactor-Injector of Nanoparticles: A Safer-by-Design Aerosol Injection for Nanocomposite Thin-Film Deposition Adapted to Various Plasma-Assisted Processes
Direct Liquid Reactor-Injector of Nanoparticles: A Safer-by-Design Aerosol Injection for Nanocomposite Thin-Film Deposition Adapted to Various Plasma-Assisted Processes Open
The requirements of nanocomposite thin films, having non-aggregated nanoparticles homogeneously dispersed in the matrix, have been realized using a new method of Direct Liquid Reactor-Injector (DLRI) of nanoparticles. In this approach, unl…
View article: Exploring the mechanisms leading to diffuse and filamentary modes in dielectric barrier discharges in N$$_2$$ with N$$_2$$O admixtures
Exploring the mechanisms leading to diffuse and filamentary modes in dielectric barrier discharges in N$$_2$$ with N$$_2$$O admixtures Open
The effects of nitrous oxide (N $$_2$$ O) in nitrogen (N $$_2$$ ) on the development and morphology of sine-driven dielectric barrier discharges in a single-filament arrangement were studied. Detailed insight in the characteristics o…
View article: Soft polymerization of hexamethyldisiloxane by coupling pulsed direct‐liquid injections with dielectric barrier discharge
Soft polymerization of hexamethyldisiloxane by coupling pulsed direct‐liquid injections with dielectric barrier discharge Open
This work examines the combination of pulsed direct‐liquid injections with dielectric barrier discharge at atmospheric pressure for the deposition of organosilicon coatings using hexamethyldisiloxane (HMDSO) as the precursor and nitrogen a…
View article: Kinetics driving thin-film deposition in dielectric barrier discharges using a direct liquid injector operated in a pulsed regime
Kinetics driving thin-film deposition in dielectric barrier discharges using a direct liquid injector operated in a pulsed regime Open
This work investigates the effects of process parameters on thin-film deposition by direct liquid injection in a low-frequency dielectric barrier discharge. The precursor, hexamethyldisiloxane, is introduced as micrometer-size liquid dropl…
View article: Influence of the dielectric thickness on the homogeneity of a diffuse dielectric barrier discharge in air
Influence of the dielectric thickness on the homogeneity of a diffuse dielectric barrier discharge in air Open
This work focuses on a diffuse Dielectric Barrier Discharge (DBD) in atmospheric pressure air using an original experimental approach. In air, the role of the capacitance on the discharge regime has not yet been studied even though it affe…
View article: Influence of pulsed gas injections on the stability of Townsend dielectric barrier discharges in nitrogen at atmospheric pressure
Influence of pulsed gas injections on the stability of Townsend dielectric barrier discharges in nitrogen at atmospheric pressure Open
This work investigates the effects of pulsed nitrogen gas injections on the stability of Townsend dielectric barrier discharges operated in continuous nitrogen gas flows at atmospheric pressure. For single-pulse injections with pulse durat…
View article: Dielectric Barrier Discharge in CO2: electrical and optical characterization: electrical and optical characterization
Dielectric Barrier Discharge in CO2: electrical and optical characterization: electrical and optical characterization Open
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View article: PRE-IONIZATION IN ATMOSPHERIC PRESSURE TOWNSEND DISCHARGES (APTD): SURFACE VS VOLUME MECHANISMS
PRE-IONIZATION IN ATMOSPHERIC PRESSURE TOWNSEND DISCHARGES (APTD): SURFACE VS VOLUME MECHANISMS Open
International audience
View article: Influence of the dielectric on a Diffuse Dielectric Barrier Discharge in air at atmospheric pressure
Influence of the dielectric on a Diffuse Dielectric Barrier Discharge in air at atmospheric pressure Open
International audience
View article: The importance of pre-ionization on surface and volume for Atmospheric Pressure Townsend Discharges (APTD)
The importance of pre-ionization on surface and volume for Atmospheric Pressure Townsend Discharges (APTD) Open
International audience
View article: Aerosol assisted atmospheric pressure plasma jet for a high deposition rate of silica-like thin films
Aerosol assisted atmospheric pressure plasma jet for a high deposition rate of silica-like thin films Open
This paper investigated thin films deposition processes of silica-like based on the injection of liquid droplets in Atmospheric Pressure Plasma Jet–APPJ operated in open air. An aerosol of hexamethyldisilane is produced by a syringe-pump a…
View article: Experimental investigations of a remote atmospheric pressure plasma by electrical diagnostics and related effects on polymer composite surfaces
Experimental investigations of a remote atmospheric pressure plasma by electrical diagnostics and related effects on polymer composite surfaces Open
Surface activation of Carbon Fiber Reinforced Polymers (CFRP) using (Poly-EtherEtherKetone) (PEEK) matrices is required to achieve strong and long-term adherent painting on the composite. Among the different techniques, an industrial atmos…
View article: New local electrical diagnostic tool for dielectric barrier discharge (DBD)
New local electrical diagnostic tool for dielectric barrier discharge (DBD) Open
A new diagnostic tool to study dielectric barrier discharges (DBDs) at atmospheric pressure by local electrical measurements is introduced. The square ground electrode is divided into 64 square segments (3.44 mm side length) so as to measu…
View article: Electrical diagnostics for Dielectric Barrier Discharges: from integrated measurements to spatially resolved measurements. Benefits for plasma processes at atmospheric pressure?
Electrical diagnostics for Dielectric Barrier Discharges: from integrated measurements to spatially resolved measurements. Benefits for plasma processes at atmospheric pressure? Open
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View article: Remote atmospheric pressure plasma for improving acid-base surface properties of PEEK polymer: relevance to coating adhesion
Remote atmospheric pressure plasma for improving acid-base surface properties of PEEK polymer: relevance to coating adhesion Open
Our study focuses on a remote atmospheric pressure plasma for the improvement of polymer surface reactivity. From the perspective of linking surface modifications to adhesives performances, wettability measurements are made using two model…
View article: Transition from diffuse to self-organized discharge in a high frequency dielectric barrier discharge
Transition from diffuse to self-organized discharge in a high frequency dielectric barrier discharge Open
Depending on the operating conditions, different regimes can be obtained in a dielectric barrier discharge (DBD): filamentary, diffuse (also called homogeneous) or self-organized. For a plane-to-plane DBD operated at high frequency (160 kH…