905157.fig.006a
(a)
905157.fig.006b
(b)
905157.fig.006c
(c)
905157.fig.006d
(d)
Figure 6: (a) A schematic of the cell used for the preparation of Cu(OH)2 PNL arrays, wherein CE, WE, and RE represent the counter, working, and reference electrode, respectively. SEM image (b), structural schematic (c), and rate cyclability (d) of CuO PNL arrays gained by annealing Cu(OH)2 PNL arrays [135].