901842.fig.003a
(a)
901842.fig.003b
(b)
901842.fig.003c
(c)
901842.fig.003d
(d)
Figure 3: SEM images of the products by adding CTAB in the electrolyte at the different deposition times of 10 min (a), 20 min (b), 30 min (c), and 1 h (d). The insets in Figures 3(a)3(d) show the magnification SEM images of the corresponding photos.