1. Laboratory of Spectroscopic Characterization and Optical Materials, Faculty of Sciences, University of Sfax, B.P. 1171, 3000 Sfax, Tunisia
2. Department of Chemical Engineering, Engineering Faculty, Sivas Cumhuriyet University, 58140 Sivas, Turkey
3. GREENMAT, CESAM, Institute of Chemistry B6, University of Liège, Liège 4000, Belgium
4. Université François-Rabelais de Tours, Laboratoire GREMAN UMR-CNRS 7347, 15 rue de la Chocolaterie, IUT de Blois, 41029 Blois Cedex, France