Journal
SYNTHETIC METALS
Volume 271, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.synthmet.2020.116608
Keywords
Polypyrrole; Raman spectroscopy; Kinetics
Funding
- Czech Science Foundation [18-01924Y]
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The study found that different molecular structures can be formed during the chemical oxidation of aniline depending on various factors. By analyzing the chemical oxidation of pyrrole, the research aimed to explore the dependence of the molecular structure of the oxidation products on the reaction stage and describe the kinetics of the oxidation process. This was achieved through various characterization techniques such as pH, temperature changes, UV-Vis, and Raman spectra measurements.
It was found that different molecular structures can be formed during chemical oxidation of aniline depending on various factors. These factors might change during the process of the reaction, leading to various reaction products. In this work, inspired by polyaniline, the chemical oxidation of pyrrole was analysed in order to find or disprove the existence of any dependence of the molecular structure of the pyrrole oxidation products on the stage of the reaction and describe the kinetics of the chemical oxidation of pyrrole. The polymerization proceeding was followed using various characterization techniques such as pH, temperature changes and open circuit potential. UV-Vis and surface-enhanced Raman spectra were measured at different time intervals. Results reveal the initiation of branching of the polypyrrole chain and the time dependence of overoxidation.
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