(a)
(b)
(c)
(d)
(e)
(f)
Figure 3: (a)-(f) SEM images of Ag NWs networks without (a) and at 0.2 (b), 0.3 (c), 0.5 (d), 0.9 (e), and 1.4 MPa (f) hot-pressing treatments at 100°C for 30 min.