1. Institute for Electronics Microelectronics and Nanotechnology (IEMN), CNRS, University of Lille, Av. Poincaré, F-59652 Villeneuve d’Ascq, France
2. MOLTECH-Anjou, CNRS, University of Angers, SFR MATRIX, F-49000 Angers, France
3. Natural Sciences Department, School of Arts and Sciences, Lebanese American University, 1102-2801, Beirut, Lebanon
4. Laboratory for Chemistry of Novel Materials, University of Mons, 7000 Mons, Belgium
5. Theoretical Chemical Physics group, University of Mons, 7000 Mons, Belgium