1. Department of Chemical Engineering, Laboratory
of Inorganic Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
2. Institute of Nanoscience and Nanotechnology, NCSR “Demokritos”, Aghia Paraskevi 15310, Attiki, Greece
3. Laboratory
of Molecular Analysis, Institute of Organic and Pharmaceutical Chemistry, National Hellenic Research Foundation, Athens 11635, Greece
4. Institut für Experimentelle Physik
II, Universität Leipzig, Leipzig 04103, Germany