1. Materials Chemistry Research Unit, Faculty of Sciences and Techniques, UNA, Nouakchott, Mauritania
2. EaStCHEM School of Chemistry, University of St. Andrews, St. Andrews, UK
3. Department of Chemistry, Khalifa University, Abu Dhabi, United Arab Emirates
4. Department of Chemistry, Laboratory of Structural Organic Chemistry: Synthesis and Physicochemical Studies, Coordination Chemistry Group, Faculty of Sciences of Tunis, El Manar University, Tunis, Tunisia