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On the mechanism of OH radical formation by nanosecond pulsed corona discharge in water.
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SYSNO ASEP 0468682 Document Type A - Abstract R&D Document Type O - Ostatní Title On the mechanism of OH radical formation by nanosecond pulsed corona discharge in water. Author(s) Lukeš, Petr (UFP-V) RID, ORCID
Člupek, Martin (UFP-V) RID
Babický, Václav (UFP-V) RID
Pongrác, Branislav (UFP-V)
Šimek, Milan (UFP-V) RID, ORCID
Kolb, J.F. (DE)Year of issue 2016 Article number 16211485 Source Title 2016 IEEE International Conference on Plasma Science (ICOPS), 43. - Alberta : IEEE, 2016 - ISBN 978-1-4673-9601-1 Number of pages 1 s. Publication form Medium - C Action IEEE - 2016 IEEE International Conference on Plasma Science (ICOPS)/43./ Event date 19.06.2016 - 23.06.2016 VEvent location Banff, Alberta Country CA - Canada Event type WRD Language eng - English Country US - United States Keywords corona ; plasma chemistry ; plasma diagnostics Subject RIV BL - Plasma and Gas Discharge Physics R&D Projects GA15-12987S GA ČR - Czech Science Foundation (CSF) Institutional support UFP-V - RVO:61389021 UT WOS 000391073600008 DOI 10.1109/PLASMA.2016.7533945 Annotation Summary form only given. Electrical discharge plasmas in liquids have been studied for a number of years for applications in different environmental, biological or medical applications. However, the physics underlying the complex phenomena of electric discharge formation in liquid media as well as the chemistry of plasma/liquid interactions induced by these discharges is not fully understood. OH radical is one of the most strongly oxidative species produced by plasma in water and is also building block of H2O2 which is an important agent in the chemical activity of plasma-liquid systems. So far, pulse durations applied for generation of discharge plasmas in liquids were typically in the range of microseconds. The average energy of electrons formed by streamer-like discharges in water was estimated to be 0.5-2 eV This would be sufficient to cause only vibration and rotational excitation rather than electron dissociative reactions of water. Therefore, metastable induced or thermal dissociation of water molecules and electron dissociative recombination of water ions are proposed as more likely pathways of plasmachemical production of OH radicals in water. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2017
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