Large-Scale Synthesis of Silver Nanoparticles by Aqueous Reduction for Low-Temperature Sintering Bonding

Figure 4

The SEM images of silver nanoparticles with different temperatures: (a) 5°C; (b) 20°C; (c) 30°C; (d) 40°C; (e) 55°C; (f) 70°C.

(a)

(b)

(c)

(d)

(e)

(f)