Research Article

Purification and Functionalization of Single-Walled Carbon Nanotubes through Different Treatment Procedures

Figure 7

The SEM images of SWCNTs using a combination of ultrasonic and microwave for various treatment times: (a) 5 min, (b) 10 min, (c) 20 min, and (d) 30 min with 3 M  concentration.
937697.fig.007a
(a)
937697.fig.007b
(b)
937697.fig.007c
(c)
937697.fig.007d
(d)