Chemical Synthesis and Morphology of β-Naphthalene Sulfonic Acid-Doped Polypyrrole Micro/Nanotubes |
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| Authors: | Richard Akinyeye Mantoa Sekota Priscilla Baker Emmanuel Iwuoha |
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| Affiliation: | a Sensor Research Laboratory, Department of Chemistry, University of the Western Cape, Bellville, South Africa |
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| Abstract: | A preliminary result of the morphology and yield of chemically synthesized polypyrrole (PPY) using β-naphthalene sulfonic acid (NSA) and ammonium peroxodisulphate (APS) in aqueous medium is presented. Various micro/nanotubes were obtained using different dopant/monomer (D/M) ratios and temperature settings. Similar but shorter and sheet-like nanostructures were obtained without the use of surfactant NSA; with a fibre-like, loose and admixed physical outlook. The percentage yield (m/v) of the doped PPY was greater than that from the undoped, being 27-44 and 18-20, respectively with higher values obtained from the low temperature synthesis. The highest percentage yield of 44 was obtained from a D/M ratio of 0.8. |
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| Keywords: | β-Naphthalene sulfonic acid-doped polypyrrole polypyrrole nanotubes polypyrrole nanofibre SEM of polypyrrole |
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