Microscopic Optical Discharge Cell for Micro-Spectroscopic Measurements of Plasma in Solutions and Its Chemical-contrasted Imaging

概要

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Reactive chemical species with high kinetic energy can be confined when plasma is formed in solutions. The kinetic energy reaches up to above several thousand Kelvin. We can expect that the characteristic plasma in solutions will provide novel chemical reaction fields where chemical products that do not formed under ambient conditions can be obtained due to collisions between the chemically active species with high kinetic energy in the plasma and surrounding solute, and solvent molecules in a condensed phase. Here, we report on the development of a microscopic optical discharge cell that enables us to monitor the spatial distributions and temperatures of chemical species in the microscopic and heterogeneous reaction field. The microscopic optical discharge cell will contribute to the measurements, analyses and control of the novel plasma-in-solution chemical reaction fields that are going to be applied in environmental detoxification, material processing, and medical surgery.