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Appl. Sci. 2018, 8(8), 1294; https://doi.org/10.3390/app8081294

Discharge Characteristics and Plasma Erosion of Various Dielectric Materials in the Dielectric Barrier Discharges

1
Department of Electrical and Biological Physics, Kwangwoon University, 20 Kwangwoon-Ro, Nowon Wallgye, Seoul 01897, Korea
2
Department of Chemistry, Kwangwoon University, 20 Kwangwoon-Ro, Nowon Wallgye, Seoul 01897, Korea
*
Author to whom correspondence should be addressed.
Received: 9 April 2018 / Revised: 30 May 2018 / Accepted: 31 July 2018 / Published: 3 August 2018
(This article belongs to the Special Issue Polymers, Copolymers, Block Copolymers and Nanoparticles)
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Abstract

The objective of this study is the investigation of dielectric barrier discharges (DBDs) with the solid plates and the flexible polymer films. A high capacitance with a high dielectric constant and a small thickness is responsible for the discharge of a high plasma current with a low operation voltage; here, the thin flexible polyimide film ensured a high capacitance, and is comparable to the thick solid-plate alumina. In the long-duration test of the dielectric-surface plasma erosion, the solid plates show a high resistance against the plasma erosions, while the polymer films are vulnerable to the etching by the plasma-species chemical reaction. The polymer-film surface, however, was reinforced remarkably against the plasma erosion by the silicone-paste coating. View Full-Text
Keywords: atmospheric pressure glow discharge; dielectric barrier discharge; dielectrics; silicon rubber; surface modification atmospheric pressure glow discharge; dielectric barrier discharge; dielectrics; silicon rubber; surface modification
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Kim, J.; Kim, S.-J.; Lee, Y.-N.; Kim, I.-T.; Cho, G. Discharge Characteristics and Plasma Erosion of Various Dielectric Materials in the Dielectric Barrier Discharges. Appl. Sci. 2018, 8, 1294.

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