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

Zoran D. Zujovic

School of Chemical Sciences, The University of Auckland, Auckland, New Zealand

 

E-mail: z.zujovic@auckland.ac.nz

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.

Keywords: Polyaniline; Nanotubes; Solid-state NMR; Self-assembly

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-016-0074-7

 

Chemical Papers 71 (2) 373–378 (2017)

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