1.2. Electrochemical Synthesis versus Other Approaches
2. Electrochemical Anodization and Self-Organization
2.1. Self-Organized TiO2 Nanotube Arrays
2.2. Stages and Factors in TiO2 Nanotube Growth
2.3. Factors Affecting Geometry and Composition
2.4. Growth by Flow Mechanisms
2.5. Transition from Porous to Tubular Structures
2.6. Self-Organization Length Scales (Tube Diameter)
2.7. Advanced Geometries
2.7.1. Tube Stacks, Bamboo, Nanolace, and Branched Tubes
2.7.2. Double-Walled Tubes
2.7.3. Amphiphilic Tubes
2.7.4. High-Order, Defined Tube Tops
2.7.5. Self-Organization on Two Size Scales
2.7.6. Membranes
3. Properties of TiO2 and TiO2 Nanotubes
3.1. Crystal Structure
3.2. Optical and Electrical Properties
3.3. Reactivity