Ion exchange behavior of polypyrrole doped with large anions in electrolytes containing mono- and divalent mmetal ions

A1 Originalartikel i en vetenskaplig tidskrift (referentgranskad)

Interna författare/redaktörer

Publikationens författare: Rose-Marie Latonen, Marceline N. Akieh, Kevin Vavra, Johan Bobacka, Ari Ivaska
Publiceringsår: 2013
Tidskrift: Electroanalysis
Tidskriftsakronym: ELECTROANAL
Volym: 25
Nummer: 4
Artikelns första sida, sidnummer: 991
Artikelns sista sida, sidnummer: 1004
Antal sidor: 14
ISSN: 1040-0397
eISSN: 1521-4109


Electrochemical Quartz Crystal Microbalance was used to investigate the ion exchange behavior of polypyrrole (PPy) films doped with multicharged sulfated -cyclodextrin (CD) or 4-sulfonic calix[6]arene (C6S) immersed in 0.1M KNO3, Ca(NO3)2 and Mn(NO3)2. The PPy films showed mixed ion exchange behavior in KNO3 and Ca(NO3)2 solutions, but the ion exchange behavior was more cationic in Mn(NO3)2. In all cases, ion pair formation was observed between cations from the electrolyte and the negatively charged sulfonate groups of the dopant anions. It was also observed that the PPy films became more swollen in Mn(NO3)2 solution than in the other electrolytes.


EQCM, Ion exchange, Large anions, Polypyrrole

Senast uppdaterad 2019-06-12 vid 04:54