Radio-frequency-driven atmospheric-pressure plasmas in contact with liquid water

被引：32
|
作者：
Kitano, Katsuhisa [1 ]
Aoki, Hironori [1 ]
Hamaguchi, Satoshi [1 ]
机构：
[1] Osaka Univ, Grad Sch Engn, Ctr Atom & Mol Technol, Suita, Osaka 5650871, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2006年 / 45卷 / 10B期
关键词：
plasmas in liquid; RF barrier discharge; micro plasma; atmospheric pressure discharge;
D O I：
10.1143/JJAP.45.8294
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Atmospheric-pressure plasmas were produced on the surface of liquid water by radio-frequency (RF) power supply. A quartz chamber with an off-center inner electrode was used to generate discharges with a wide range of filling gas pressures. When the chamber was filled with fuel gas and liquid water and a sufficient RF power was supplied to the system, plasmas were observed to be produced around the inner electrode as well as on the water surface. Optical emission spectroscopy (OES) identified the generation of oxidative hydroxyl (OH) radicals and decoloration of methylene blue in the solution demonstrated oxidative capacity of water plasmas generated in this system.
引用
收藏
页码：8294 / 8297
页数：4
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