Doping Efficiency in Cobalt-Doped ZnO Nanostructured Materials

Figure 2

SEM images of 10% cobalt-doped ZnO nanostructures via cobalt chloride ((a) 0.1 M precursor and (b) 1 M precursor) and cobalt nitrate ((c) 0.1 M precursor and (d) 1 M precursor).

(a)

(b)

(c)

(d)