Schematic
of the SECCM setup and imaging modes. (A) Experimental
setup (bottom) and resulting measurement data (top). Simultaneous
topography and activity mapping consisting of 7200 individual points.
Reproduced from Wahab, O. J.; Kang, M.; Meloni, G. N.; Daviddi, E.;
Unwin, P. R. Anal. Chem.2022, 94 (11), 4729–4736 (ref (223)) under CC BY 4.0 license. (B) Operation modes
showing the single- and double-barrel SECCM configuration (top) and
the hopping and constant-distance modes (bottom). (C) Model measurement
snippets, demonstrating various electrochemical techniques that can
be applied in a localized manner using the SECCM platform.