1. Laboratory Physico Chemistry of the Solid State, Department of Chemistry, Faculty of Sciences, University of Sfax, BP 1171, 3000 Sfax, Tunisia
2. Faculty of Sciences, School of Molecular Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, Perth, Western Australia 6009, Australia
3. Department of Chemistry, College of Sciences and Arts, Turaif, Northern Border University, Arar, Saudi Arabia
4. Faculty of Science, Institute of Physics, P.J. Šafárik University in Košice, Park Angelinum 9, SK-041 54 Košice, Slovakia