Optical and Chemical Measurements of Solvated Electrons Produced in Plasma Electrolysis with a Water Cathode

It is known that glow discharges with a water anode inject and form solvated electrons at the plasma-liquid interface, driving a wide variety of reduction reactions. However, in systems with a water cathode, the production and role of solvated electrons are less clear. Here, we present evidence for...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 40(2024), 28 vom: 16. Juli, Seite 14224-14232
1. Verfasser: Martin, Daniel C (VerfasserIn)
Weitere Verfasser: Elg, Daniel T, Delgado, Hernan E, Nguyen, Hoang M, Rumbach, Paul, Bartels, David M, Go, David B
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a It is known that glow discharges with a water anode inject and form solvated electrons at the plasma-liquid interface, driving a wide variety of reduction reactions. However, in systems with a water cathode, the production and role of solvated electrons are less clear. Here, we present evidence for the direct detection of solvated electrons produced at the interface of an argon plasma and a water cathode via absorption spectroscopy. We further quantify their yield using the dissociative electron attachment of chloroacetate, measuring a yield of 1.04 ± 0.59 electrons per incident ion, corresponding to approximately 100% faradaic efficiency. Additionally, we estimate a yield of 2.09 ± 0.93 hydroxyl radicals per incident ion. Comparison of this yield with other findings in the literature supports that these hydroxyl radicals are likely formed directly in the liquid phase rather than by diffusion from the vapor phase 
650 4 |a Journal Article 
700 1 |a Elg, Daniel T  |e verfasserin  |4 aut 
700 1 |a Delgado, Hernan E  |e verfasserin  |4 aut 
700 1 |a Nguyen, Hoang M  |e verfasserin  |4 aut 
700 1 |a Rumbach, Paul  |e verfasserin  |4 aut 
700 1 |a Bartels, David M  |e verfasserin  |4 aut 
700 1 |a Go, David B  |e verfasserin  |4 aut 
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