1. Group of Semi-conductors and Environmental Sensor Technologies- Energy Research Center, Faculty of Science, Mohammed V University, Rabat, Morocco
2. Laboratory of Materials, Energy and Environment (LaMEE), Physics Department, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech, Morocco
3. LRPSI, Faculty of Polydisciplinary Beni Mellal, Sultan Moulay Slimane University, Beni Mellal, Morocco