1. Department of Physics, University of Patras, Patras 26504, Greece
2. Institute of Chemical Engineering Sciences, Foundation of Research and Technology-Hellas (FORTH/ICE-HT), Stadiou Street, Platani, Patras 26504, Greece
3. Laboratory of Quantum and Computational Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki GR-54124, Greece
4. Department of Materials Science, University of Patras, Patras 26504, Greece
5. Department of Chemical Engineering, University of Patras, Patras 26504, Greece
6. Department of Mechanical Engineering, School of Engineering, University of the Peloponnese, Megalou Alexandrou 1, Patras 26334, Greece
7. School of Physics, Department of Solid State Physics, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece