1. Contribution from the Dipartimento di Chimica IFM, Università di Torino and NIS Centre of Excellence via P. Giuria 7, 10125, Torino, Italy, Dipartimento di Scienza dei Materiali, Università di Milano-Bicocca, via R. Cozzi 53, 20125 Milano, Italy, Department of Chemistry and Regional Laboratory of Physicochemical Analysis and Structural Research Jagiellonian University, ul. Ingardena 3, 30-060 Cracow, Poland, and Laboratory for Spectroscopy in Biophysics and Catalysis, Department of Physics, University of...