Sviluppo di dipositivi micro e nanometrici e loro impiego in microscopia elettrochimica a scansione (SECM)

This thesis is focused on the use of electrochemical techniques and microscopy such as scanning electrochemical microscopy and the recently developed Intermitted Contact SECM (IC-SECM). With the using of these techniques, the chemical and electrochemical properties of micro and nanostructured multilayer thin films of Pt/Al2O3 and borod doped diamond (BDD) were studied. Furthermore, a simulated model that describes the mass transport phenomena in particular SECM experiments was developed. In particular, the model takes into account of the recession degree of an active substrate with different dimensions. The model was experimentally verified. Finally, protocols for the preparation of H+ ion-selective microelectrodes for IC-SECM were developed.