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Ozone production by nanoporous dielectric barrier glow discharge in atmospheric pressure air

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4 Author(s)
Cho, J.H. ; Department of Chemistry and Division of Energy Systems Research, Ajou University, Suwon 443-749, Republic of Korea ; Koo, I.G. ; Choi, M.Y. ; Lee, W.M.

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This study is aimed at demonstrating plasma-chemical ozone production based on low temperature atmospheric pressure glow discharge through nanoporous dielectric barriers. The 20 kHz ac driven discharge is formed in air or oxygen gas flowing in the axial direction of the cylindrical plasma reactor containing four parallel aluminum rods covered with nanoporous alumina films. The discharge utilizing nanoporous dielectric barrier is more uniform and more energy efficient in ozone generation than the discharge through smooth-surface dielectric barriers.

Published in:

Applied Physics Letters  (Volume:92 ,  Issue: 10 )