Preparation and characterization of conducting PMMA-PANI films

Citation
Ms. Selim et al., Preparation and characterization of conducting PMMA-PANI films, POLYM-PLAST, 38(4), 1999, pp. 713-728
Citations number
23
Categorie Soggetti
Material Science & Engineering
Journal title
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
ISSN journal
03602559 → ACNP
Volume
38
Issue
4
Year of publication
1999
Pages
713 - 728
Database
ISI
SICI code
0360-2559(1999)38:4<713:PACOCP>2.0.ZU;2-O
Abstract
Poly(methyl methacrylate) (PMMA)-polyanilin (PANI) conducting films were pr epared by the diffusion-oxidation method. Infrared and electronic spectra s how new bands which confirm the interaction between PMMA-PANI and the metal cation. The microstructure of the prepared films has been investigated by an optical microscope. The results indicate that the oxidation process chan ged the shape and the color of the gel, which reflects the fact that the me tal cation diffused through the polymer matrix. The temperature dependence of the electrical conductivity of the prepared films was studied. The resul ts indicate that the oxidation of PMMA-PANI films by FeCl3 leads to reducti on in the resistivity of the films from 10(13) to 10(3) Omega cm (i.e,, fro m insulator to semiconductor). The activation energy and the mechanism of t he conduction were also discussed.