Poly(Ferrocenylalkylammonium): A Molecular Electrode Material for Dihydrogenphosphate Sensing
- 27 January 2003
- journal article
- research article
- Published by Wiley in Electroanalysis
- Vol. 15 (1) , 65-69
Abstract
By virtue of strong ion‐paring interactions that are reinforced following oxidation of ferrocene moieties to ferrocenium form, films synthesized by oxidative polymerization of pyrrole‐containing (ferrocenylmethyl)trialkylammonium cations are able to electrochemically sense the dihydrogenphosphate anion in organic electrolytes. Strong and selective affinity of these cationic polymer films towards H2PO4− was evidenced from FT‐IR and EQCM experiments. Clear two‐wave differential pulse voltammetry features allow the amperometric titration of this anion.Keywords
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