189279.fig.001a
(a)
189279.fig.001b
(b)
189279.fig.001c
(c)
189279.fig.001d
(d)
189279.fig.001e
(e)
Figure 1: Surface morphology of (a) as-grown, (b) oxygen-annealed, (c) air-annealed, and (d) vacuum-annealed Al-doped ZnO nanorod arrays. (e) EDS spectrum of as-grown Al-doped ZnO nanorod arrays.