The Morphology, Structure and Electrical Properties of Polypyrrole Nanofibers via Electrospinning

Abstract:

One-dimensional nanostructured polypyrrole (PPy) nanofibers were electrospun using a solution of PPy/polyvinyl alcohol (PVA); and PVA was used as the carrier in order to improve processability of PPy. In order to improve the performance of nanofibers, PPy were chemically synthesized by using different dopants, such as toluene sulfonate (TSNa), dodecyl-benzene sulfonic acid sodium salt (DBSNa), dodecyl sulfonic acid sodium salt (DSNa) and di-(2-ethylhexyl) sulfosuccinate sodium salt (DEHS). The morphology, structure and electrical conductivity of the fabricated nanofibers was investigated using SEM, FTIR and four-probe method, respectively. The results show that the diameters of doped PPy/PVA nanofibers are in the range of 50-190 nm. The electrical conductivity of the obtained doped PPy/PVA nanofibers was about 161-222 S/cm. DEHS doped PPy can not only make the obtained PPy be soluble in some organic solvents, but also improve the electrical conductivity of nanofibers when it is compared with that of TSNa, DSNa, DBSNa as dopants.

• Periodical: Advanced Materials Research (Volumes 616-618)
• Pages: 1675-1679
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.616-618.1675
• Online since: December 2012
• Authors: Lei Zhao, Xing Xiang Zhang, Ning Wang
• Keywords: Conducting Polymer, Dope, Electro-Spinning, Nanofiber, Polypyrrole, PVA

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