1. Inorganic Chemistry Department, Faculty of Chemistry, University of Bucharest, Bucharest, Romania;
2. Coordination and Supramolecular Chemistry Laboratory, “Ilie Murgulescu” Institute of Physical Chemistry of the Romanian Academy, Bucharest, Romania;
3. Department of Physical Chemistry, Faculty of Chemistry, University of Bucharest, Bucharest, Romania;
4. National Institute of Material Physics, Magurele, Romania