Abstract
In electrochemical measurements, monitoring the electrode potential using a stable reference is essential for controlling the redox reactions that occur at the electrodes. In Kelvin probe force microscopy (KPFM) measurements on electrochemical cells, the surface potential is generally measured relative to electrical ground instead of a stable reference. Here, we show that the changes in the surface potential, measured using KPFM relative to the surface potential in the electrolyte region, is consistent with the changes in the electrode potential measured using a voltmeter relative to a reference electrode. These results demonstrate that the surface potential in the electrolyte region can be utilized as a stable potential reference when analyzing KPFM data.
Funder
Ministry of Education, Culture, Sports, Science and Technology
Japan Society for the Promotion of Science
Subject
Electrical and Electronic Engineering,General Physics and Astronomy,General Materials Science
Cited by
1 articles.
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