1. Department of Chemistry, Laboratory of Biomimetic Catalysis & Hybrid Materials, University of Ioannina, Ioannina 4550, Greece
2. Department of Chemistry, Laboratory of Protein and Peptide Chemistry, University of Ioannina, Ioannina 4550, Greece
3. Department of Physics, Laboratory of Physical Chemistry of Materials & Environment, University of Ioannina, Ioannina 4550, Greece