1. Department of Chemistry
2. University of Lucknow
3. Lucknow 226 007
4. India
5. Guru GhasidasVishwadiyalaya
6. Bilaspur
7. University of Delhi
8. Delhi 110 007
9. Material and Chemical Characterisation Facility (MC2)
10. University of Bath
11. Bath BA2 7AY
12. UK
13. Department of Chemistry & Biochemistry and Centre for Nanoscience
14. University of Missouri-St. Louis
15. One University Boulevard
16. St. Louis
17. USA
18. College of Sciences
19. King Saud University
20. Riyadh 11451
21. Saudi Arabia