1. Research Unit of Advanced Materials, Department of Financial and Management Engineering, University of the Aegean, 82132 Chios, Greece
2. Department of Chemistry, International Hellenic University, 65404 Kavala, Greece
3. ADVISE, 17 Gymnasiarchou Madia Str., 82132 Chios, Greece
4. Department of Mechanics, National Technical University of Athens, 15780 Athens, Greece
5. Institute of Nanoscience and Nanotechnology, N.C.S.R. “Demokritos”, Patr. Gregoriou E & 27 Neapoleos Str., 15341 Agia Paraskevi, Greece