Electropolymerization features of o-phenylenediamine on carbon electrode with developed surface

Carbonized tissue (CT) was used for the first time to prepare developed surface coated with electroactive polymer. A stable monolayer of electroactive heteropolyacid was found to result from CT impregnation with silicododecamolybendic acid (SiMo) solution. Successful electrochemical oxidation of o-p...

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Bibliographic Details
Published in:Synthetic metals 2010-11, Vol.160 (21), p.2366-2370
Main Authors: Pisarevskaya, E.Yu, Serdyuk, T.M., Ovsyannikova, E.V., Buryak, A.K., Alpatova, N.M.
Format: Article
Language:English
Subjects:
Carbon
Carbonized tissue
CVA
Cyclic voltammetry
Electroactive polymers
Electrochemical oxidation
Electrode potentials
Electrodes
Impregnation
MALDI mass spectrometry
Monolayers
o-Phenylenediamine
Oligomers
OPD
Poly-o-phenylenediamine
PPD
Silicododecamolybendic acid
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Summary:Carbonized tissue (CT) was used for the first time to prepare developed surface coated with electroactive polymer. A stable monolayer of electroactive heteropolyacid was found to result from CT impregnation with silicododecamolybendic acid (SiMo) solution. Successful electrochemical oxidation of o-phenylenediamine (OPD) was first demonstrated both on pure carbonized tissue and on the tissue coated with SiMo monolayer, while the oxidation potential on both pure and impregnated CT is shifted by 0.6 V more cathode from the OPD oxidation potential on “smooth” electrodes. OPD oxidation was found to yield primarily water-soluble oligomers on pure CT and solid PPD layer on SiMo-modified tissue.
ISSN:0379-6779
1879-3290
DOI:10.1016/j.synthmet.2010.09.013