Fig. 1

Fabrication of the carboxyl-functionalized PAN/PEDOT nanohybrids. a Schematic illustration of the nanofiber fabrication process. b C 1s, c N 1s, d O 1s and e S 2p spectra of the PAN nanofiber and PAN/PEDOT nanohybrids. f SEM image of the pristine PAN nanofiber and the carboxyl functionalized nanohybrids. g FT-IR data of the PEDOT nanohybrids containing carboxyl functional groups on their surface