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Solid-state NMR and FTIR investigations of standard and nanotubular polyanilines

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Abstract

The standard emeraldine base (EB) form of polyaniline and the product obtained by the oxidative polymerization of aniline using a pH-stat method at a constant pH of 2.5 are investigated. The morphology of the pH-stat product was examined using scanning electron microscopy and transmission electron microscopy. The prevalence of self-assembled nanotubes in the pH-stat product is confirmed. The structural differences between the EB and pH-stat products are revealed by FTIR and solid-state NMR experiments. On the basis of these investigations, the presence and the role of the oligomeric material in the formation of nanotubes is confirmed.

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Acknowledgements

The author (ZDZ) would like to thank Prof Graham A Bowmaker and Prof Paul A Kilmartin for critically reading and commenting on the manuscript.

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Authors and Affiliations

  1. School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand

    Zoran D. Zujovic

  2. Centre for NMR and Polymer Electronic Research Centre, School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand

    Zoran D. Zujovic

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Correspondence to Zoran D. Zujovic.

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Zujovic, Z.D. Solid-state NMR and FTIR investigations of standard and nanotubular polyanilines. Chem. Pap. 71, 373–378 (2017). https://doi.org/10.1007/s11696-016-0074-7

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  • DOI: https://doi.org/10.1007/s11696-016-0074-7

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