1. Department of Chemistry
2. National Institute of Technology
3. Rourkela
4. India
5. Indian Institute of Technology Roorkee
6. Roorkee 247667
7. Fribourg Center for Nanomaterials
8. University of Fribourg
9. CH-1700 Fribourg
10. Switzerland
11. Institute of Chemistry
12. University of Bialystok
13. Bialystok
14. Poland