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Reactivity of solvated electrons in ionic liquid interacting with low-pressure plasmas

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Title: Reactivity of solvated electrons in ionic liquid interacting with low-pressure plasmas
Authors: Inagaki, Yoshinobu Browse this author
Sasaki, Koichi Browse this author →KAKEN DB
Issue Date: 1-Jun-2020
Publisher: IOP Publishing
Journal Title: Japanese Journal of Applied Physics (JJAP)
Volume: 59
Issue: 6
Start Page: 066001
Publisher DOI: 10.35848/1347-4065/ab8d4e
Abstract: We employed charge transfer to the solvent (CTTS) transition to examine the reactivity of solvated electrons in ionic liquid interacting with plasmas. A dye laser pulse at 225 nm was injected into N,N,N-trimethyl-N-propylammonium bis (trifluoromethylsulfonyl) imide with the addition of potassium iodide, which was irradiated with low-pressure plasmas, and the reaction frequency of the solvated electrons produced by the CTTS transition was measured by optical absorption spectroscopy. It was observed that the reaction frequency of solvated electrons was enhanced by plasma irradiation. The enhanced reaction frequency was more remarkable by irradiation of a nitrogen plasma than argon and oxygen plasmas. In addition, a higher reaction frequency was observed at a closer distance from the plasma-liquid interface. The UV-vis absorbance spectrum of the ionic liquid was changed by plasma irradiation, indicating the production of unknown species which had a high reaction frequency with solvated electrons in the ionic liquid.
Rights: © [2020] The Japan Society of Applied Physics
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 佐々木 浩一

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