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

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 m...

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Bibliographic Details
Published inChemical papers Vol. 71; no. 2; pp. 373 - 378
Main Author Zujovic, Zoran D.
Format Journal Article
LanguageEnglish
Published Cham Springer International Publishing 01.02.2017
Springer Nature B.V
Subjects
Aniline
Biochemistry
Biotechnology
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Electron microscopes
Industrial Chemistry/Chemical Engineering
Materials Science
Medicinal Chemistry
Microscopy
Morphology
Nanotubes
NMR
Nuclear magnetic resonance
Original Paper
Polyanilines
Scanning electron microscopy
Self-assembly
Solid state
Transmission electron microscopy
Solid-state NMR
Self-assembly
Polyaniline
Nanotubes
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Summary: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.
ISSN:2585-7290
0366-6352
1336-9075
DOI:10.1007/s11696-016-0074-7