1. Laboratory of Thermal and Renewable Energies, Department of Physics, Unit of Training and Research in Pure and Applied Sciences, Université Joseph Ki-Zerbo, Ouagadougou, Burkina Faso
2. Centre Universitaire Polytechnique de Kaya (CUP-Kaya), PO Box 232 Kaya, Burkina Faso
3. Institut des Sciences (IDS), Université Joseph Ki-Zerbo, Ouagadougou, Burkina Faso