Influence of carbon nanotubes microstructures inside composites on the loading role of nanotubes bore

To fully utilize the extraordinary mechanical properties of carbon nanotubes (CNTs) in composites, great attention has been paid to prepare CNTs based composites with uniformly dispersion and strong interfacial adhesion. With the help of micro-Raman spectroscopy, herein, we study the influence of nanotube microstructures (e.g., dispersion and orientation) on the loading role of nanotubes bore. By using the same batch of composite solutions, two types of composite materials with different nanotube morphologies were prepared by electrospun and solution casting methods. Raman results have revealed that the loading-role of nanotubes bore in the electrospun nonwoven mats is much stronger than that of regular composite films owing to its uniformly dispersion as well as high orientation.