1. National Centre for Nanoscience's and Nanotechnology
2. University of Mumbai
3. Mumbai-400098
4. India
5. Department of Physics
6. Arts, Science and Commerce College Indapur
7. Affiliated to Savitribai Phule Pune University
8. Pune-413106
9. Savitribai Phule Pune University
10. Pune-411007
11. Centre for Nanoscience and Nanotechnology
12. Amity University
13. Mumbai-410206