University of Pavia - Department of Chemistry and INSTM, University of Pavia - Department of Chemistry and INSTM, Elettra-Sincrotrone Trieste, Elettra-Sincrotrone Trieste, Elettra-Sincrotrone Trieste, Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali(INSTM) - Department of Chemistry, National Research Council Institute of Nanotechnology (CNR NANOTEC), CNR-ICMATE (Consiglio Nazionale delle Ricerche – Istituto di Chimica della Materia Condensata e Tecnologie per l'Energia) and University of Pavia - Department of Chemistry and INSTM