Transparent Conductive Films of Copper Nanofiber Network Fabricated by Electrospinning

Figure 5

SEM images (a) of the electrospun Cu nitrate trihydrate/PVB composite fibers, (b) after oxidation annealing at 450°C in air ambient for 2 h and (c) after subsequent reduction annealing at 300°C in hydrogen atmosphere for 2 h.

(a)

(b)

(c)