Chapter 3: Electrochemistry at TiO₂ nanotubes and other semiconductor nanostructures

This chapter provides an overview of semiconductor electrochemistry at the nanoscale. We address the most common electrochemical and photoelectrochemical principles and techniques to characterize semiconductor electrodes, and briefly discuss key considerations that arise when dealing with nanoscale semiconductors. We regard electrochemistry on the one hand as a tool for the synthesis of semiconductor nanostructures, for example, using localized dissolution reactions, electrodeposition, or self-organizing anodization. On the other hand, electrochemistry can directly represent functionality, in the widest sense in form of redox processes at nanostructured electrodes.