Materials and Preparations -- Electrochemical Pore Array Fabrication on n-Type Silicon Electrodes -- Macropores in p-Type Silicon -- Highly Ordered Nanohole Arrays in Anodic Porous Alumina -- The Way to Uniformity in Porous III–V Compounds via Self-Organization and Lithography Patterning -- Microporous Honeycomb-Structured Polymer Films -- From Nanosize Silica Spheres to Three-Dimensional Col…