Research Article
Carbon Nanotubes: Synthesis via Chemical Vapour Deposition without Hydrogen, Surface Modification, and Application
Figure 17
SEM images of surface-modified CNTs prepared with different KMnO4 concentrations. (a) M0.05. (b) M0.10. (c) M0.15. (d) M0.20. (e) M0.25. (f) M0.30. (g) M0.35. (h) M0.40. (i) M0.50.