On one hand, the long CNTs form a flocculated structure which makes the carbon fiber look like a branched fiber (Fig. 4b). The short CNTs are deposited as individual nails (Fig. 4a).
On one hand, the long CNTs form a flocculated structure which makes the carbon fiberlook like a branched fiber (Fig. 4b). The short CNTs are deposited as individual nails (Fig. 4a).