Template Synthesis of Carbon Nanotubes with Diamond‐Shaped Cross Sections

Rough diamond: Chemical-vapor-deposition-based synthesis of carbon within the pores of track-etched mica membranes yields carbon nanotubes with a diamond-shaped cross section. The nanotubes are characterized by an equivalent outside diameter (see image) and an equivalent inside diameter; the equivalent outside diameter can be varied by varying the equivalent pore diameter in the mica template. The equivalent inside diameter can be varied by varying the carbon deposition time.