Technical Physics Letters
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- 2023
- 2022
Structure of the polyaniline-carbon nanotube interface
Lobov I. A.
1, Davletkildeev N. A.
1, Nesov S. N.
1, Sokolov D. V.
1
1Omsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Omsk, Russia
Email: LI_87@mail.ru
The analysis of the structure and chemical state of the polyaniline/multi-walled carbon nanotube interface layer was carried out using the both methods of Near Edge X-Ray Absorption Fine Structure and X-Ray Photoelectron Spectroscopy. An analysis of the photoelectron spectra showed an increase in the content of covalently bound chlorine, which may be due to the functionalization of nanotubes during the polymer synthesis. The spectrum shows two states of the chloride anion, which are assigned to the polaron (Cl*) and bipolaron (Cl-) forms of polyaniline. The content of Cl* increases in the interface layer, which indicates an increase in its electrical conductivity. Keywords: polyaniline, multi-walled carbon nanotubes, composites, X-ray spectroscopy.
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