应用文章
EC-SPM essentially combines two valuable, independent techniques: electrochemistry (EC) and scanning probe microscopy (SPM). The electrochemical unit includes a potentiostat and a three-electrode cell that controls the electrochemical state of the working electrode, usually the sample. The scanning probe microscope characterizes the surface of the solid electrode with either a passive or an active probe.
With a passive probe like that utilized in ECAFM, the potential of the probe is not controlled. Thus, the AFM cantilever acts as an inert probe that monitors the topographic changes of the electrode surface caused by electrochemical processes (using standard AFM imaging modes).
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