1. Qatar Environment and Energy Research Institute (QEERI); Hamad Ben Khalifa University, Qatar Foundation; Doha Qatar
2. Institut des Matériaux Jean Rouxel; Université de Nantes; CNRS, 2 rue de la Houssinière B.P. 32229 44322 Nantes cedex 3 France
3. Electronics and Information Systems Department (ELIS); University of Gent; Sint-Pietersnieuwstraat 41 9000 Gent Belgium