1. Department of Chemical
2. Biological and Macromolecular Sciences
3. S. N. Bose National Centre for Basic Sciences
4. Kolkata 700 106
5. India
6. Department of Chemistry
7. Indian Institute of Engineering Science and Technology Shibpur
8. Howrah – 711103
9. Technical Research Centre
10. Institute for Condensed Matter Physics
11. TU Braunschweig
12. 38106 Braunschweig
13. Germany
14. Laboratory for Emerging Nanometrology