1. Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d’Alcontres, 31, 98166 Messina, Italy
2. ITAE-CNR, Via Salita S. Lucia Sopra Contesse 5, Messina, Italy
3. Interuniversitary Research Center for Artificial Photosynthesis (Solar Chem, Messina Node), V. F. Stagno d’Alcontres 31, 98166 Messina, Italy