1. Department of Physics
2. Shivaji University
3. Kolhapur 416-009
4. India
5. School of Nanoscience and Biotechnolgy
6. Kolhapur-416-009
7. Karmaveer Hire Arts, Science
8. Commerce and Education College
9. Gargoti 416-009
10. Department of Advanced Chemical Engineering
11. Chonnam National University
12. Gwangju
13. South Korea
14. Department of Materials Science and Engineering
15. Gwangju 500-757