Abstract
Pure and FeCl 3 doped polyethyl-methacrylate (PEMA) films were prepared and studied. XRD, FTIR, TGA, UV, DSC and ESR techniques were used to investigate the structural properties of PEMA. X-ray scans (XRD) reveals the presence of some crystalline phase, in PEMA matrix. This concentration of these phases was found to depend upon FeCl 3 concentration. The IR results manifested the conclusion about the specific interaction in polymer matrices and hence the complexation. TGA data clarified that addition of FeCl 3 to PEMA films enhances the thermal stability of PEMA. UV results reveal that FeCl 3 filler significantly influences the optical energy gap E g. DSC results reflect also the formation of some ordered crystalline phases with concentration depending on FeCl 3 contents. Distribution of ferric ions in the PEMA matrix was interpreted in terms of ESR spectra.
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