1. Department of Materials Science and Technology
2. University of Crete
3. Heraklion 70013
4. Greece
5. Molecular Electronics and Photonics Research Unit
6. Department of Mechanical Engineering and Materials Science and Engineering
7. Cyprus University of Technology
8. Limassol 3041
9. Cyprus
10. Department of Chemical Engineering
11. Surface Science Laboratory
12. University of Patras
13. Patra 26504