Abstract
The significance of shield gases on atmospheric pressure plasma jet (APPJ) propagation over a horizontal dielectric surface using various diagnostic methods has been investigated. The obtained results imply that adding nitrogen as a shield gas only has an impact on the N2 reactive species generation, mainly close to the plasma effluent while argon shield gas can boost the optical emission intensity of all excited species, especially at distances further away from the plasma jet, which is in agreement with the observed length of the plasma propagation all over the surface. On the basis of the obtained results, the employment of a shield gas can improve the plasma jet efficiency to achieve the desired treatment effect on a flat surface.
Original language | English |
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Article number | 2100247 |
Number of pages | 24 |
Journal | Plasma Processes and Polymers |
Volume | 19 |
Issue number | 6 |
DOIs | |
Publication status | Published - Jun 2022 |
Bibliographical note
Funding Information:The authors acknowledge the support from the Special Research Fund of Ghent University (Starting Grant; project number 01N00516). The research leading to these results also has received funding from the Research Foundation Flanders (FWO) (application number V404221N) for a scientific stay at the Eindhoven University of Technology.
Funding
The authors acknowledge the support from the Special Research Fund of Ghent University (Starting Grant; project number 01N00516). The research leading to these results also has received funding from the Research Foundation Flanders (FWO) (application number V404221N) for a scientific stay at the Eindhoven University of Technology.
Keywords
- atmospheric pressure plasma jets (APPJs)
- high-speed imaging
- optical emission spectroscopies
- plasma diagnostics
- shield gases
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Plasmas for energy and environmental applications
Sobota, A. (Content manager)
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