The formation pathways of aqueous hydrogen peroxide in a plasma-liquid system with liquid as the cathode
X He, J Lin, B He, L Xu, J Li, Q Chen… - Plasma Sources …, 2018 - iopscience.iop.org
Plasma Sources Science and Technology, 2018•iopscience.iop.org
Using an aqueous solution of NaCl as the cathode, we explored the atmospheric pressure
Ar discharge plasma generated above the solution surface. The formation pathways of
aqueous hydrogen peroxide (H 2 O 2aq) in this system were investigated. Dimethyl
sulfoxide was used as a scavenger of hydroxyl (OH) radicals to investigate the contribution
of dissolved OH radicals to the H 2 O 2aq. The results indicate that the H 2 O 2aq is mainly
formed by the combination of the dissolved OH radicals at the plasma-affected thin liquid …
Ar discharge plasma generated above the solution surface. The formation pathways of
aqueous hydrogen peroxide (H 2 O 2aq) in this system were investigated. Dimethyl
sulfoxide was used as a scavenger of hydroxyl (OH) radicals to investigate the contribution
of dissolved OH radicals to the H 2 O 2aq. The results indicate that the H 2 O 2aq is mainly
formed by the combination of the dissolved OH radicals at the plasma-affected thin liquid …
Abstract
Using an aqueous solution of NaCl as the cathode, we explored the atmospheric pressure Ar discharge plasma generated above the solution surface. The formation pathways of aqueous hydrogen peroxide (H 2 O 2aq) in this system were investigated. Dimethyl sulfoxide was used as a scavenger of hydroxyl (OH) radicals to investigate the contribution of dissolved OH radicals to the H 2 O 2aq. The results indicate that the H 2 O 2aq is mainly formed by the combination of the dissolved OH radicals at the plasma-affected thin liquid layer, while the H 2 O 2 formed in the gas phase and the H 2 O 2aq formation inside water by the plasma-induced ultraviolet radiation have no contribution.
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