1. Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via L. Giorgieri 1, 34127 Trieste, Italy
2. Elettra−Sincrotrone Trieste, S.S. 14 Km 163.5 in Area Science Park, 34149 Basovizza − Trieste, Italy
3. Department of Chemical and Pharmaceutical Sciences, University of Ferrara and Centro Interuniversitario per la Conversione Chimica dell’Energia Solare, sezione di Ferrara, Via L. Borsari 46, 44121 Ferrara, Italy