Figure 4From: Tube Formation in Nanoscale MaterialsSchematic illustration of nanotubes via templating against mesostructures self-assembled from surfactant molecules.a Formation of a cylindrical inverted micelle.b Formation of the desired material in the oil phase that the exterior surface of an inverted micelle serves as the physical template.c Removal of the surfactant molecules with an appropriate solvent (or by calcinations) to obtain an individual nanotubeBack to article page