Electron-transfer reactions at the plasma-liquid interface

Carolyn Richmonds, Megan Witzke, Brandon Bartling, Seung Whan Lee, Jesse Wainright, Chung Chiun Liu, R. Mohan Sankaran

研究成果: 雜誌貢獻期刊論文同行評審

138 引文 斯高帕斯(Scopus)

摘要

Electrochemical reactions are normally initiated in solution by metal electrodes such as Pt, which are expensive and limited in supply. In this Communication, we demonstrate that an atmospheric-pressure microplasma can act as a gaseous, metal-free electrode to mediate electron-transfer reactions in aqueous solutions. Ferricyanide is reduced to ferrocyanide by plasma electrons, and the reduction rate is found to depend on discharge current. The ability to initiate and control electrochemical reactions at the plasma-liquid interface opens a new direction for electrochemistry based on interactions between gas-phase electrons and ionic solutions.

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頁(從 - 到)17582-17585
頁數4
期刊Journal of the American Chemical Society
133
發行號44
DOIs
出版狀態已出版 - 9 11月 2011

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