F163. Synthesis and characterization of H2Ti3O7 nanotubes
Left : TEM image of a crystalline H2Ti3O7 nanotube. The inset shows a view along the tube axis. Right: Schematic drawing of the nanotube structure. [Q. Chen, W. Zhou, G. Du, L. M. Peng, Adv. Mater., 17, 1208-11 (2002)].