1. Center of Excellence for Nanostructured
Materials, Dipartimento di Scienze Chimiche e Farmaceutiche, INSTM
unit of Trieste, University of Trieste, Piazzale Europa 1, 34127 Trieste, Italy
2. Nanostructures and Optics Laboratory, Dipartimento di
Scienze Chimiche, University of Padova, via Marzolo 1, Padua, Italy
3. Laboratory for Chemistry
of Novel Materials, University of Mons−UMONS, Place du Parc 20, 7000 Mons, Belgium