Are there any electrolyte concentration limitations while performing SVET? Normally literature shows SVET performed at low electrolyte concentration. Does higher concentration effect measurement?
as you measure ionic fluxes, you will not be able to map reasonable results in too high concentrated electrolytes, too much noise will hide what you are trying to map. when your ionic strength is too low on the other hand nothing will happen. so you need a good balance.
The SVET measures current as an IR drop along the vibration amplitude of the electrode. Thus, in order to optimize the signal-to- noise ratio, a solution with high resistivity (and, thus, low concentration of electrolyte) should be used.