1. Department of Chemistry, University of Crete, Laboratory of Bioinorganic Chemistry, Voutes Campus, 70013 Heraklion, Crete, Greece
2. Foundation for Research and Technology (FORTH), Institute of Electronic Structure and Laser (IESL), N. Plastira 100, Vassilika Vouton, 70013 Heraklion, Greece
3. University of Crete, Department of Materials Science and Technology, University of Crete, 71003 Heraklion, Crete, Greece