Researchers working on photoelectrochemical hydrogen production, use EIS results to describe mechanism of charge transport inside and at the surface of electrode. Flat band calculations are also done by EIS. Can we use results of IS because in IS pellet is usually coated with silver paint and that silver paint act as electrode. So could we use the mechanism of charge transfer estimated from circuit fitting of IS results to explain the PEC usefulness of a material?
thanks Artur Braun ,
I think the space charge capacitance, if calculated using the fitted circuit, for the two systems would be same conceptually.
In EIS the working electrode potential is controlled (in a cell with 3 electrodes). I don't see the possibility of doing a similar thing in IS (in a cell with 2 electrodes).
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