Research Article

Synthesis of Co Filled Carbon Nanotubes by In Situ Reduction of CoCl2 Filled Nanotubes by NaBH4

Figure 1

HRTEM micrographs showing the (a) and (b) CoCl2 filled nanotubes in low magnifications where the filling appears darker than the empty part in the hole of the nanotubes.
732974.fig.001a
(a)
732974.fig.001b
(b)