Spectroscopy of Conducting Polymers

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Chemical and Molecular Sciences".

Deadline for manuscript submissions: closed (30 April 2020) | Viewed by 3021

Special Issue Editor


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Guest Editor
The Czech Academy of Sciences, Institute of Macromolecular Chemistry, 16206 Prague 6, Czech Republic
Interests: conducting polymers; vibrational spectroscopy; spectroelectrochemistry; microspectroscopy

Special Issue Information

Dear Colleagues,

Conducting polymers, such as polyaniline, polypyrrole, polythiophene, PEDOT, polyphenylenediamine, various copolymers and related substancesls are promising and widely studied materials with potential applications in electronics, energy storage, photonics, catalysis, biomedical applications, etc. They are often easy to prepare; affordable; available in variety of forms including coatings or nanoparticles; electroactive; conducting and colored. The understanding of the formation, function and stability of any material depends upon spectroscopic data. The information on molecular structure, interactions, conformations, mobility, etc. as results of spectroscopic analyses help elucidate macroscopic aspects of the materials.

The upcoming Special Issue of Applied Sciences will focus on characterization of conducting polymers and related materials with a variety of spectroscopic techniques, including but not limited to vibrational spectroscopy, NMR, EPR, UV—Vis and XRD.

Dr. Zuzana Morávková
Guest Editor

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Keywords

  • conducting polymers
  • copolymers
  • oligomers
  • spectroscopy
  • FTIR
  • Raman
  • NMR
  • UV—Vis
  • EPR
  • XPS

Published Papers (1 paper)

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Research

20 pages, 5926 KiB  
Article
The First Stages of Chemical and Electrochemical Aniline Oxidation—Spectroscopic Comparative Study
by Zuzana Morávková, Ivana Šeděnková and Patrycja Bober
Appl. Sci. 2020, 10(6), 2091; https://doi.org/10.3390/app10062091 - 19 Mar 2020
Cited by 14 | Viewed by 2833
Abstract
There are several types of aniline oligomers that can be formed in the early stages of aniline oxidation: linear oligomers with repeating units joined in para positions, and various branched and polycyclic oligomers, being the two most important groups. The fraction of these [...] Read more.
There are several types of aniline oligomers that can be formed in the early stages of aniline oxidation: linear oligomers with repeating units joined in para positions, and various branched and polycyclic oligomers, being the two most important groups. The fraction of these different oligomeric groups depends upon the reaction conditions of aniline oxidation. The aim of this study was to analyze the first products of the chemical and electrochemical oxidation of aniline at the (starting) pH 1 and 7, in order to specify the conditions of the formation of phenazine-like oligomers, and to test the theory that they have an important role in polyaniline film formation. We have confirmed that phenazine-like oligomers do not form at pH 1, neither in the chemical nor the electrochemical oxidation of aniline; however, they form in both chemical and electrochemical oxidation of aniline at pH 7. Phenazine-like oligomers are thus definitely not necessary intermediates for PANI film formation, not even in the chemical polymerization of aniline. Finally, the redox behavior of phenazine-like oligomers was demonstrated in a medium at pH 1. Full article
(This article belongs to the Special Issue Spectroscopy of Conducting Polymers)
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