Fig. 5From: Control of physical properties of carbon nanofibers obtained from coaxial electrospinning of PMMA and PAN with adjustable inner/outer nozzle-endsTEM images of the carbon nanofibers after carbonization. a CNFs from single nozzle and HCNFs from b normal coaxial nozzle, c inward coaxial nozzle, and d outward coaxial nozzleBack to article page