1. Department of Nanoscience and Technology
2. Bharathiar University
3. Coimbatore 641 046
4. India
5. Department of Physics
6. PSGR Krishnammal College for Women
7. Coimbatore 641 004
8. Functional Nanomaterials & Devices Laboratory
9. Centre for Nanotechnology and Advanced Biomaterials
10. School of Electrical & Electronics Engineering
11. Shanmugha Arts, Science, Technology and Research Academy (SASTRA)
12. Thanjavur-613 401