2013 Fiscal Year Final Research Report
Generation of Plasmas in Microscopically Non-uniform Multiphase Media and Its Application
| Project Area | Creation of Science of Plasma Nano-Interface Interactions |
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| Project/Area Number |
21110003
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| Research Category |
Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
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| Allocation Type | Single-year Grants |
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| Review Section |
Science and Engineering
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| Research Institution | Osaka City University (2011-2013)
Nagoya University (2009-2010) |
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Principal Investigator |
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| Research Collaborator |
TACHIBANA Kunihide 大阪電気通信大学, 工学部, 教授 (40027925)
SAKAI Osamu 京都大学, 大学院工学研究科, 准教授 (30362445)
TAKAI Osamu 関東学院大学, 工学部, 教授 (40110712)
SAITO Nagahiro 名古屋大学, 大学院工学研究科, 教授 (00329096)
ISHIZAKI Takahiro 芝浦工業大学, 工学部, 准教授 (50397486)
HIEDA Junko 東北大学, 金属材料研究所, 助教 (40566717)
TAKAHASHI Kenji 金沢大学, 自然システム学系, 教授 (00216714)
TOCHIKUBO Fumiyoshi 首都大学東京, 大学院理工学研究科, 教授 (90244417)
GOTO Motonobu 名古屋大学, 大学院工学研究科, 教授 (80170471)
MURAKAMI Tomoyuki 東京工業大学, 大学院総合理工学研究科, 助教 (20323818)
TANAKA Kenji 大阪市立大学, 大学院工学研究科, 助教 (20254386)
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| Project Period (FY) |
2009-07-23 – 2014-03-31
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| Keywords | プラズマ / 液体 / バブル / ナノ界面 / ゆらぎ / 電気化学 / 水浄化 / ナノ粒子 |
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| Research Abstract |
Three-dimensionally integrated micro-solution plasma, in which the plasma-liquid nano interfaces are integrated, has been proposed. A proto-type reactor has been manufactured, which has excellent water treatment efficiency. The origins of the high efficiency have been clarified through time-resolved optical emission spectroscopy and plasma chemical reaction simulations. It has been predicted that a nano-scale space-charge layer is formed beneath the liquid surface in contact with plasma, and that semi-preferential reactions can occur between gas-phase species and liquid-phase ions. Er:YAG laser irradiation on water has been investigated as an alternative method for generating plasma-liquid nano interfaces, and proved to be accompanied by sterilization effects.
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