Preparation and Characterization of Polyaniline Nanofibers by Template-free Method

Abstract

Abstract: In the presence of p-toluene sulfonic acid (TSA) as a dopant, polyaniline (PAni) nanofibers, (about 80~165 nm in diameter) were successfully synthesized with a chemical template-free method. It was found that the formation probability, morphology, and diameter of the resulting PAni-TSA nanofibers were sensitive to the synthetic conditions, such as reaction temperature, the molar ratio of TSA to aniline, and the concentration of TSA in the polymerization media. The molecular structure was characterized by using the FT-IR, Raman spectra and X-ray diffraction, which shows that the main chain structure of PAni-TSA nanofibers was in agreement with that of granular PAni.

Key words: Polyaniline, p-toluene sulfonic acid, Nanofibers, Template-free method

Xuemei GUO, Kun LUO, Nanlin SHI. Preparation and Characterization of Polyaniline Nanofibers by Template-free Method[J]. J Mater Sci Technol, 2005, 21(02): 179-182.

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