Facile Synthesis of Template-Induced SnO₂ Nanotubes

Figure 2

(a) and (b) are SEM images of the as-synthesized SnO₂ nanotubes at different magnification. (c) and (d) are TEM and HRTEM images of the as-synthesized SnO₂ nanotube.

(a)

(b)

(c)

(d)