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Gas Temperature Effect on Reactive Species Generation from the Atmospheric Pressure Air Plasma

Abstract

Using surface type air atmospheric pressure plasma, we investigated the amount of ozone and other reactive species generation with variations of the surface temperature of an electrode through an optical emission spectrum and a tube type gas detector. Reduced version of global model (GM) was employed to complement these experimental observations. The results of the model matched well with the experimental data. The amount of ozone generated from the surface type air plasma device was dramatically reduced with increasing temperature. Atomic oxygen (O) and nitric oxide (NO) radicals, which are important agents for biomedical applications, proportionally increased with increasing temperature. We also elucidated the dominant reaction related to the generation or loss of these radicals based on temperature variation through our GM.

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Air atmospheric pressure plasma is promising method to implement the portable plasma device by removing huge carrier gas cylinder but generation of abundant amount of ozone is remaining problem. Using surface type air atmospheric pressure plasma, we investigate amounts of the ozone and other reactive species generation with variation of temperature through optical emission spectrum and tube type gas detector. Reduced version of global model is also employed to complement experimental observations.

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Authors:   Ho Young Kim, Sung Kil Kang, Hyoung Cheol Kwon, Hyun Woo Lee, Jae Koo Lee
Journal:   Plasma Processes and Polymers
Year:   2013
Pages:   n/a
DOI:   10.1002/ppap.201200163
Publication date:   10-May-2013
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