Electrooxidation of phenol in alcohols and establishment of the permeability of the electrodeposited films

László Kiss, Dóra Bősz, Ferenc Kovács, Heng Li, S. Kunsági-Máté

Research output: Contribution to journalArticle

Abstract

In this work, electrooxidation of phenol was studied in different alcohols (methanol, ethanol, 1-propanol, 1-butanol, 1-pentanol, 2-methyl-1-propanol and benzyl alcohol) at platinum electrode. The electrode fouled in all alcohols during the subsequent cyclic voltammetric scans and poly(phenylene oxide) formed on the electrode surface which was then characterized by Raman spectroscopic studies. The spectra of films deposited from the different alcohols were very similar indicating the uniform composition of the electrodeposited polymer films. Electrolysis of alcoholic phenol solutions at the corresponding constant potential and the subsequent fluorescence studies showed that no soluble polymer formed during the anodic oxidation and each polymer adsorbed on the electrode surface. Permeability studies of the electrodeposited polyphenols using 1,4-dihydroxybenzene as a redox probe showed high diffusion hindrance in case of all alcohols except for benzyl alcohol where phenol electrodeposited mainly in separated islands. Heat treatment at 150 °C enhanced the decrease in permeability.

Original languageEnglish
Pages (from-to)1-12
Number of pages12
JournalPolymer Bulletin
DOIs
Publication statusAccepted/In press - May 25 2018

Fingerprint

Electrooxidation
Phenol
phenols
Phenols
permeability
alcohols
Alcohols
Benzyl Alcohol
Electrodes
Polymers
electrodes
Propanol
1-Propanol
1-Butanol
Anodic oxidation
polymers
Polyphenols
Platinum
Electrolysis
Polymer films

Keywords

  • Alcohol
  • Cyclic voltammetry
  • Fouling
  • Permeability
  • Phenol

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Electrooxidation of phenol in alcohols and establishment of the permeability of the electrodeposited films. / Kiss, László; Bősz, Dóra; Kovács, Ferenc; Li, Heng; Kunsági-Máté, S.

In: Polymer Bulletin, 25.05.2018, p. 1-12.

Research output: Contribution to journalArticle

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AU - Kovács, Ferenc

AU - Li, Heng

AU - Kunsági-Máté, S.

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N2 - In this work, electrooxidation of phenol was studied in different alcohols (methanol, ethanol, 1-propanol, 1-butanol, 1-pentanol, 2-methyl-1-propanol and benzyl alcohol) at platinum electrode. The electrode fouled in all alcohols during the subsequent cyclic voltammetric scans and poly(phenylene oxide) formed on the electrode surface which was then characterized by Raman spectroscopic studies. The spectra of films deposited from the different alcohols were very similar indicating the uniform composition of the electrodeposited polymer films. Electrolysis of alcoholic phenol solutions at the corresponding constant potential and the subsequent fluorescence studies showed that no soluble polymer formed during the anodic oxidation and each polymer adsorbed on the electrode surface. Permeability studies of the electrodeposited polyphenols using 1,4-dihydroxybenzene as a redox probe showed high diffusion hindrance in case of all alcohols except for benzyl alcohol where phenol electrodeposited mainly in separated islands. Heat treatment at 150 °C enhanced the decrease in permeability.

AB - In this work, electrooxidation of phenol was studied in different alcohols (methanol, ethanol, 1-propanol, 1-butanol, 1-pentanol, 2-methyl-1-propanol and benzyl alcohol) at platinum electrode. The electrode fouled in all alcohols during the subsequent cyclic voltammetric scans and poly(phenylene oxide) formed on the electrode surface which was then characterized by Raman spectroscopic studies. The spectra of films deposited from the different alcohols were very similar indicating the uniform composition of the electrodeposited polymer films. Electrolysis of alcoholic phenol solutions at the corresponding constant potential and the subsequent fluorescence studies showed that no soluble polymer formed during the anodic oxidation and each polymer adsorbed on the electrode surface. Permeability studies of the electrodeposited polyphenols using 1,4-dihydroxybenzene as a redox probe showed high diffusion hindrance in case of all alcohols except for benzyl alcohol where phenol electrodeposited mainly in separated islands. Heat treatment at 150 °C enhanced the decrease in permeability.

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