751519.fig.004a
(a)
751519.fig.004b
(b)
751519.fig.004c
(c)
751519.fig.004d
(d)
751519.fig.004e
(e)
751519.fig.004f
(f)
Figure 4: SEM images of nanowires with (a) 0 g·L−1, (b) 0.050 g·L−1, (c) 0.10 g·L−1, (d) 0.50 g·L−1, (e) 1.0 g·L−1, and (f) 6.0 g·L−1 EDTA. The scale bar is 1.0 μm.