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Breaking-through methods for experimental observation on short-lived reactive species in the liquid phase, generated at the interface of atmospheric-pressure plasmas (APPs), can contribute greatly to an understanding of the reaction… Click to show full abstract
Breaking-through methods for experimental observation on short-lived reactive species in the liquid phase, generated at the interface of atmospheric-pressure plasmas (APPs), can contribute greatly to an understanding of the reaction processes. A newly developed high-speed liquid flow interface in helium plasma transports APP-generated liquid-phase OH radical (·OH) by advection, enabling observation of rapid APP-generated ·OH decay within approximately 0.5 ms for the first time, to our best knowledge. This experimental detection and the deduced quantification of the rapid ·OH decay suggests a surface localization of ·OH, and thus can be an important finding to characterize the inhomogeneous ·OH distribution.
Journal Title: Applied Physics Express
Year Published: 2021
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