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Abstrakt
In this work, electrochemical activity and electrical properties of polypyrrole (PPy) coated iron electrodes have been investigated. PPy film was electrochemically polymerized from sodium salicylate aqueous solution under conditions, which provided an increase of iron corrosion resistance. It was noticed that the pH of the solution and the applied electrode potential range during the study of the polymer properties had an influence on the observed electroactivity of PPy. The electroactivity of PPy was retained in neutral solution when the potential was scanned between −0.6 and 0.3 V. Also the resistance behavior of the synthesized polymer film as a function of the electrode potential during doping/dedoping processes was studied. Determination of the resistance was based on the impedance spectroscopy measurements and was performed in air, in order to avoid the influence of the solution resistance on the resistance of the studied polymer. Depending on the redox properties, the pH of solution and the potential range, different resistances of the polymer film during the doping/dedoping process can be obtained.
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Autorzy (3)
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Sannakaisa Virtanen Prof.
- Department of Materials Science .
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- Wersja publikacji
- Accepted albo Published Version
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1149/2.0821512jes
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
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JOURNAL OF THE ELECTROCHEMICAL SOCIETY
nr 162,
strony 307 - 313,
ISSN: 0013-4651 - Język:
- angielski
- Rok wydania:
- 2015
- Opis bibliograficzny:
- Cysewska K., Virtanen S., Jasiński P.: Electrochemical Activity and Electrical Properties of Optimized Polypyrrole Coatings on Iron// JOURNAL OF THE ELECTROCHEMICAL SOCIETY. -Vol. 162, nr. 12 (2015), s.307-313
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1149/2.0821512jes
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 145 razy