1. Department of Chemistry
2. University of Ioannina
3. 45110 Ioannina
4. Greece
5. Aristotle University of Thessaloniki
6. 54124 Thessaloniki
7. Department of Materials Science and Technology
8. University of Crete
9. 71003 Heraklion
10. Northwestern University
11. Evanston
12. USA