Absolute Concentration of OH Radicals in Atmospheric Pressure Glow Discharges with a Liquid Electrode Measured by Laser-Induced Fluorescence Spectroscopy
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概要
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The OH radical density and gas temperature in atmospheric pressure glow discharges with a liquid cathode or anode is measured with a laser-induced fluorescence (LIF) technique exciting the P2(3), Q1(4), and Q1(9) branches of the X2, $\nu''=0$--A2, $\nu'=3$ transition. Glow discharge in contact with liquid is generated by positive and negative voltages at currents of 10--28.5 mA. The density of OH radicals linearly increases from $1.32\times 10^{21}$ (water anode) and $1.3\times 10^{21}$ m-3 (water cathode) to $8.95\times 10^{21}$ and $1.78\times 10^{22}$ m-3, respectively, with the increase of the discharge current from 10 to 28.5 mA.
- 2011-02-25
著者
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Lu Xin
College Of Chemistry And Chemical Engineering Guangxi Normal University
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Leys Christophe
Department of Applied Physics, Ghent University, Jozef Plateaustraat 22, Ghent 9000, Belgium
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Lu Xin
College of Electrical and Electronic Engineering, HuaZhong University of Science and Technology, Wuhan, Hubei 430074, China
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Nikiforov Anton
Department of Applied Physics, Ghent University, Jozef Plateaustraat 22, Ghent 9000, Belgium
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Xiong Qing
Department of Applied Physics, Ghent University, Jozef Plateaustraat 22, Ghent 9000, Belgium
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Britun Nikolay
Laboratory for Plasma Surface Interaction Chemistry, University of Mons, Avenue Copernic 1, Mons 7000, Belgium
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Snyders Rony
Laboratory for Plasma Surface Interaction Chemistry, University of Mons, Avenue Copernic 1, Mons 7000, Belgium
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