359103.fig.002a
(a)
359103.fig.002b
(b)
359103.fig.002c
(c)
359103.fig.002d
(d)
359103.fig.002e
(e)
Figure 2: FE-SEM micrographs of the sol-gel layer-by-layer ZnO thin films dried at (a) 100°C, (b) 150°C, (c) 200°C, (d) 250°C, and (e) 300°C.