1. Dipartimento
Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche - STEBICEF
and INSTM UdR - Palermo, Università di Palermo, Parco d’Orleans
II, Viale delle Scienze pad. 17, Palermo I-90128, Italy
2. Department
of Spectroscopy of Excited States, Institute of Low Temperature
and Structure Research, Polish Academy of Sciences, Ul Okólna 2, Wrocław, Poland
3. Centro Grandi Apparecchiature-UniNetLab, Università di Palermo, Via F. Marini 14, Palermo I-90128, Italy