469834.fig.008a
(a)
469834.fig.008b
(b)
469834.fig.008c
(c)
Figure 8: TEM images of copper particles at different copper ion concentrations (a): 0.3 × 10−3, (b): 0.6 × 10−3, (c): 3.0 × 10−3 mol of Cu ions).