1. University of Firenze, Department of Chemistry, Via della Lastruccia 3, 50019 Sesto Fiorentino, Italy, Laboratoire des Colloïdes, Verres et Nanomatériaux (LCVN), Université Montpellier II, 34095 Montpellier Cedex 05 France, Laboratoire Léon Brillouin, CEA Saclay, 91191 Gif sur Yvette, France, DRECAM-SCM-LIONS, CEA Saclay, 91191 Gif Sur Yvette, France, University of Basilicata, Department of Chemistry, Via N. Sauro 85, 85100 Potenza, Italy, and University “La Sapienza”, Department of Chemistry, P.le Aldo...