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We use the chemical reactivity of electrical discharge plasma for energy technologies, environmental pollution controls, and medicine. In addition, we study the reaction mechanism of the plasma using laser spectroscopy and simulation. Plasma is generated using a high-voltage (1-100 kV) electrical discharge in a gas (e.g. air, argon). In the plasma, electron-impact reactions with gaseous atoms/molecules produce a number of chemically active species such as ions (N2+, O2-), excited species (N2(v), N2(A), O2(a), O(D)), and radicals (O, N, OH). As a result, the plasma has very high chemical reactivity with low heat load, where the gas temperature is about 300 K. Research Subjects · New manufacturing technique for dye-sensitized solar cells using plasma process. · Fundamental study on spark ignition of hydrogen. · Removal of gaseous environmental pollutants using plasma. · Water treatment using plasma. · Plasma medicine. · Fundamental study on plasma reactions. (Laser diagnostics of active species, optical emission spectroscopy, etc.) · Development of plasma simulation.
Department of Electrical Engineering and Information Systems (EEIS), |