1. Department of Chemistry, Faculty of Sciences, Laboratory of Analytic Chemistry and Electrochemistry, University of Tunis, El Manar, Tunisia
2. Department of Chemistry, Faculty of Sciences, Laboratory of Physical Chemistry of Condensed Materials, University of Tunis, El Manar, Tunisia
3. Laboratory of Physical Chemistry of Microstructures and Micro-systems, University of Cartage, Institut Préparatoire aux Etudes Scientifiques et Techniques, La Marsa, Tunisia