Poly (O-Aminophenol) Produced by Plasma Polymerization Has IR Spectrum Consistent with a Mixture of Quinoid & Keto Structures

A vibrational analysis of various poly(o-aminophenol) structures has been undertaken using first principles methods. It is shown that a mixture of quinoid and keto forms of poly(o-aminophenol) gives rise to a simulated spectrum that replicates the experimental infrared spectra of plasma-produced pol...

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Bibliographic Details
Published in:Plasma 2022-06, Vol.5 (2), p.196-205
Main Authors: Stuart, Natalie M., Sohlberg, Karl
Format: Article
Language:English
Subjects:
dielectric barrier discharge plasma
IR spectrum
poly(o-aminophenol)
theoretical calculations
vibrational frequencies
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Summary:A vibrational analysis of various poly(o-aminophenol) structures has been undertaken using first principles methods. It is shown that a mixture of quinoid and keto forms of poly(o-aminophenol) gives rise to a simulated spectrum that replicates the experimental infrared spectra of plasma-produced poly(o-aminophenol) better than either the quinoid or keto poly(o-aminophenol) spectra alone. An unassigned peak in the spectrum is attributed to hydrogen bonding to the silica substrate.
ISSN:2571-6182
2571-6182
DOI:10.3390/plasma5020015