ABSTRACT
The quantitative scanning electrochemical microscopic (SECM) theory has been developed for various regimes of measurements and electrochemical mechanisms. Different operating modes of the SECM, for example, feedback and generation/collection (G/C) modes, steady-state and transient
5.1 Introduction ............................................................................................................................ 75 5.2 Feedback Mode of SECM Operation ..................................................................................... 76
5.2.1 General Theory of SECM Feedback for a First-Order Heterogeneous Reaction at the Tip/Substrate ..................................................................................................... 76
5.2.2 Steady-State Conditions ..............................................................................................80 5.2.2.1 Diffusion-Controlled and Nernstian Steady-State Processes ...................... 81 5.2.2.2 Irreversible Substrate Kinetics .....................................................................86 5.2.2.3 Quasireversible Processes ............................................................................87 5.2.2.4 Electron Transfer at Self-Assembled Monolayers ........................................88
