901842.fig.004a
(a)
901842.fig.004b
(b)
901842.fig.004c
(c)
901842.fig.004d
(d)
Figure 4: SEM images of the products by adding SDS in the electrolyte at the different deposition times of 1 min (a), 3 min (b), 5 min (c), and 10 min (d).