Dielectric Barrier Discharges 2023

A special issue of Plasma (ISSN 2571-6182).

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 7816

Special Issue Editors


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Guest Editor
Laboratoire Diagnostics Des Plasmas Hors Equilibre (DPHE), Institut National Universitaire Champollion, 81000 Albi, France
Interests: dielectric barrier discharges; luminophore; plasma jet; xenon; lampe; optimisation; mercure; AMC

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Guest Editor
LAPLACE-Laboratoire Plasma et Conversion d’Energie, Université Paul Sabatier, 31062 Toulouse, France
Interests: plasma; atmospheric pressure; dielectric barrier discharge; townsend glow; power supply

Special Issue Information

Dear Colleagues,

Dielectric barrier discharges (DBD) are simple discharges initiated between 1 or more dielectrics. They are used in many applications that have had their moment of glory such as plasma displays or others that are waiting for it. The application fields for DBDs are lively and varied: plasma medicine, chemistry, plasma assisted catalysis, plasma assisted synthesis, agriculture, lighting, surface treatment or liquid treatment. This issue will be devoted to all these fields involving DBDs whether the results are experimental or numerical.

Prof. Dr. Bruno Caillier
Dr. Nicolas Naudé
Guest Editors

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Keywords

  • dielectric barrier discharges
  • plasma medicine
  • plasma assisted catalysis
  • plasma assisted synthesis

Published Papers (5 papers)

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Research

18 pages, 5201 KiB  
Article
Pulsed Dielectric Barrier Discharges for Gas-Phase Composition Control: A Simulation Model
by Ruggero Barni, Prince Alex and Claudia Riccardi
Plasma 2023, 6(4), 735-752; https://doi.org/10.3390/plasma6040050 - 12 Dec 2023
Cited by 1 | Viewed by 1307
Abstract
We present results obtained from the numerical simulation of the gas-phase chemical kinetics in atmospheric pressure air non-equilibrium plasmas. In particular, we addressed the effect of the pulsed operation mode of a planar dielectric barrier discharge. As conjectured, the large difference in the [...] Read more.
We present results obtained from the numerical simulation of the gas-phase chemical kinetics in atmospheric pressure air non-equilibrium plasmas. In particular, we addressed the effect of the pulsed operation mode of a planar dielectric barrier discharge. As conjectured, the large difference in the time scales involved in the fast dissociation of molecules in plasmas and their subsequent reactions to produce stable chemical species makes the presence of a continuously repeated plasma production stage unnecessary and a waste of electrical power and efficiency. The results on NOx remediation, ozone production, water vapor and ammonia dissociation are discussed. A few comparisons with experimental findings in a dielectric barrier discharge reactor already used for applications are also briefly addressed. Our results clearly indicate a pattern for the optimization of the discharge using a carefully designed repetition rate and duty cycle. Full article
(This article belongs to the Special Issue Dielectric Barrier Discharges 2023)
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14 pages, 2759 KiB  
Article
Impact of Micropulse and Radio Frequency Coupling in an Atmospheric Pressure Plasma Jet on the Synthesis of Gold Nanoparticles
by Tatiana Habib, Ludovica Ceroni, Alessandro Patelli, José Mauricio Almeida Caiut and Bruno Caillier
Plasma 2023, 6(4), 623-636; https://doi.org/10.3390/plasma6040043 - 13 Oct 2023
Viewed by 1264
Abstract
Gold nanoparticles have been extensively studied due to their unique optical and electronic properties which make them attractive for a wide range of applications in biomedicine, electronics, and catalysis. Over the past decade, atmospheric pressure plasma jets in contact with a liquid have [...] Read more.
Gold nanoparticles have been extensively studied due to their unique optical and electronic properties which make them attractive for a wide range of applications in biomedicine, electronics, and catalysis. Over the past decade, atmospheric pressure plasma jets in contact with a liquid have emerged as a sustainable and environmentally friendly approach for synthesizing stable and precisely controlled dispersions. Within the context of plasma jet/liquid configurations, researchers have explored various power sources, ranging from kHz frequencies to nanopulse regimes. In this study, we investigated the effects of coupling two distinct power supplies: a high-voltage micropulse and a radio frequency (RF) generator. The variations within the plasma induced by this coupling were explored by optical and electrical measurements. Our findings indicated a transition from a bullet plasma propagation mechanism to a capacitive coupling mechanism upon the introduction of RF energy. The impact on the production of metal nanoparticles was also examined as a function of the radio frequency power and of two distinct process gases, namely helium and argon. The characterization of gold nanoparticles included UV-visible spectroscopy, dynamic light scattering, and scanning electron microscopy. The results showed that the size distribution depended on the type of process gas used and on the power supplies coupling. In particular, the incorporation of RF power alongside the micropulse led to a decrease in both average particle size and distribution width. The comparison of the different set up suggested that the current density can influence the particle size distribution, highlighting the potential advantages of the use of a dual-frequency atmospheric pressure plasma jet configuration. Full article
(This article belongs to the Special Issue Dielectric Barrier Discharges 2023)
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15 pages, 3273 KiB  
Article
Inclusion of Biological Targets in the Analysis of Electrical Characteristics of Non-Thermal Plasma Discharge
by Julia Sutter, Jascha Brettschneider, Sara Mamchur, Fred Krebs, Sophia Gershman and Vandana Miller
Plasma 2023, 6(3), 577-591; https://doi.org/10.3390/plasma6030040 - 15 Sep 2023
Cited by 1 | Viewed by 1167
Abstract
In Plasma Medicine studies, the effect of non-thermal plasma (NTP) on biological targets is typically correlated with the amount of stable reactive oxygen and nitrogen species produced in a liquid medium. The effect of NTP and the response of the biological target on [...] Read more.
In Plasma Medicine studies, the effect of non-thermal plasma (NTP) on biological targets is typically correlated with the amount of stable reactive oxygen and nitrogen species produced in a liquid medium. The effect of NTP and the response of the biological target on cellular redox mechanisms is overlooked in these investigations. Additionally, the influence of electrical properties of cells on the physical properties of NTP is neglected. Therefore, we used a floating electrode dielectric barrier discharge plasma to explore the impact of cell structure, size, and viability of the biological target on the physical properties of NTP. Lissajous figures were used to determine circuit capacitance and energy per cycle during NTP exposure of different cell suspensions. We show that both, structural integrity and active enzymic processes of cells change the electrical properties of NTP. Correlations were also drawn between NTP-produced hydrogen peroxide and nitrite with measured capacitance. Our studies indicate that the observed changes between different cell suspensions may be due to a feedback loop between the biological target and the NTP source. In future studies, a more detailed analysis is needed to improve the control of clinical NTP devices. Full article
(This article belongs to the Special Issue Dielectric Barrier Discharges 2023)
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15 pages, 1345 KiB  
Article
A Boltzmann Electron Drift Diffusion Model for Atmospheric Pressure Non-Thermal Plasma Simulations
by Arturo Popoli, Fabio Ragazzi, Giacomo Pierotti, Gabriele Neretti and Andrea Cristofolini
Plasma 2023, 6(3), 393-407; https://doi.org/10.3390/plasma6030027 - 07 Jul 2023
Cited by 1 | Viewed by 1175
Abstract
We introduce a fluid computational model for the numerical simulation of atmospheric pressure dielectric barrier discharge plasmas. Ion and neutral species are treated with an explicit drift diffusion approach. The Boltzmann relation is used to compute the spatial distribution of electrons as a [...] Read more.
We introduce a fluid computational model for the numerical simulation of atmospheric pressure dielectric barrier discharge plasmas. Ion and neutral species are treated with an explicit drift diffusion approach. The Boltzmann relation is used to compute the spatial distribution of electrons as a function of the electrostatic potential and the ionic charge density. This technique, widely used to speed up particle and fluid models for low-pressure conditions, poses several numerical challenges for high-pressure conditions and large electric field values typical of applications involving atmospheric-pressure plasmas. We develop a robust algorithm to solve the non-linear electrostatic Poisson problem arising from the Boltzmann electron approach under AC electric fields based on a charge-conserving iterative computation of the reference electric potential and electron density. We simulate a volumetric reactor in dry air, comparing the results yielded by the proposed method with those obtained when the drift diffusion approach is used for all charged species, including electrons. We show that the proposed methodology retains most of the physical information provided by the reference modeling approach while granting a substantial advantage in terms of computation time. Full article
(This article belongs to the Special Issue Dielectric Barrier Discharges 2023)
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19 pages, 2899 KiB  
Article
Plane Parallel Barrier Discharges for Carbon Dioxide Splitting: Influence of Discharge Arrangement on Carbon Monoxide Formation
by Ronny Brandenburg, Milko Schiorlin, Michael Schmidt, Hans Höft, Andrei V. Pipa and Volker Brüser
Plasma 2023, 6(1), 162-180; https://doi.org/10.3390/plasma6010013 - 06 Mar 2023
Cited by 6 | Viewed by 1856
Abstract
A planar volume dielectric barrier discharge (DBD) in pure carbon dioxide (CO2) for the formation of carbon monoxide (CO) is examined by combined electrical and CO density measurements. The influence of the type of electrode, the barrier material, the barrier thickness, [...] Read more.
A planar volume dielectric barrier discharge (DBD) in pure carbon dioxide (CO2) for the formation of carbon monoxide (CO) is examined by combined electrical and CO density measurements. The influence of the type of electrode, the barrier material, the barrier thickness, and the discharge gap on the plasma power and the CO formation is analyzed systematically. The electrical characterization by means of charge-voltage plots is based on the simplest equivalent circuit model of DBDs, extended by the so-called partial surface discharge effect and the presence of parallel parasitic capacitances. The stackable discharge arrangement in this study enables one to elucidate the influence of parasitic capacitances, which can be overlooked in the application of such plasma sources. The determination of the discharge voltage from charge-voltage plots and the validity of the so-called Manley power equation are revised by taking into account non-uniform coverage as well as parasitic capacitances. The energy yield (EY) of CO is analyzed and compared with the literature. No correlations of EY with the mean reduced electric field strength or the geometric parameters of the DBD arrangement are observed. Full article
(This article belongs to the Special Issue Dielectric Barrier Discharges 2023)
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