1. Chemistry Department “Giacomo Ciamician” University of Bologna Via F. Selmi 2 40129 Bologna Italy
2. Schulich Faculty of Chemistry Technion-Israel Institute of Technology 32000 Haifa Israel
3. Department of Chemical and Pharmaceutical Sciences University of Ferrara Via L. Borsari 46 44121 Ferrara Italy
4. Centro Interuniversitario per la Conversione Chimica dell'Energia Solare (SolarChem), sez. di Ferrara Via L. Borsari 46 44121 Ferrara Italy