1. Laboratory of Structural Organic Chemistry: Synthesis and Physico-chemical Studies, Department of Chemistry, Faculty of Sciences of Tunis, University of Tunis El-Manar, El Manar I Tunis, Tunisia
2. Laboratoire de Chimie de Coordination (CNRS)205 Route de Narbonne, Toulouse, France
3. Materials Chemistry Research Unit, Department of Chemistry. Faculty of Sciences and Techniques, UNA, Nouakchott, Mauritania