, La 1ère Ecole d’Automne sur les Matériaux Emergents(EAME)

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ELECTROPOLYMERIZATION OF POLYPYRROLE THIN FILMS ON ITO ELECTRODE
radhia yekhlef

Dernière modification: 2017-11-20

Résumé


Abstract:

Conducting polymers are organic electroactive materials because the presence of p conjugated polymers. These polymers present p_-electron delocalization, arising from conjugated double bonds in the polymer backbone. The conjugated polymers are characterized by an alternation of Double bonding. This conjugation of the partially oxidized material. they can change colors upon electrochemical doping and de-doping treatments on p conjugated system. Their properties are distinctly different according to their structure, sizes and morphologies.

in the last two decades, the Research on the synthesis and characterization of conducting polymers has attracted great attention due to their wide range of promising applications. Among the family of conducting polymers, Polypyrrole (PPy) has been extensively studied because of its excellent electrochemical and electrical properties and its potential applications in various areas such as sensors .

In this study, the effect of cycle numbers on the formation of (PPy) thin films from acetonitrile solution containing of pyrole monomer on ITO substrate by electrochemical deposition method was investigated.

The morphology of the films was characterized by scanning electron microscopy (SEM) is

it can clearly be observed that the PPy are homogene and compact on ITO.

Keywords: Electrodeposition, polyperrole, electrocopolymerization.