Tailored 3D CuO Nanogrid Formation

Figure 2

(a) SEM image of PVP nanofibers deposited on the Cu mesh substrate by electrospinning at ambient condition. (b) PVP nanofibers deposited on the Cu mesh substrate by electrospinning after thermal oxidation at 200^∘C for 2 hrs. (c) PVP nanofibers deposited on the Cu mesh substrate by electrospinning after thermal oxidation at 400ºC for 2 hrs.

(a)

(b)

(c)