Polyaniline nanofibers prepared by dilute polymerization

Polyaniline nanoribers (see Figure and cover) have been synthesized using dilute polymerization with reduced concentrations of both monomer and oxidant and a constant molar ratio. The diameters of the polyaniline nanofibers are tunable by appropriate selection of dopant acids. A dispersion of polyaniline nanofibers could be cast to form highly porous nanofibrous films without deformation of the nanofiber morphology.