fig6

Figure 6. SEM and TEM images of CNT, CNT@RF, and Ag@RF nanostructures. (A) SEM image of CNTs; (B-D) SEM and TEM images of CNT@RF; (E and F) TEM images of Ag@RF. SEM: Scanning electron microscopy; TEM: transmission electron microscopy; CNT: carbon nanotube; RF: resorcinol-formaldehyde.