1. Centre for Nano and Material Sciences
2. Jain University
3. Bengaluru-562112
4. India
5. Department of Environment and Energy Engineering
6. Chonnam National University
7. Gwangju 61186
8. Republic of Korea
9. Department of Chemistry
10. Faculty of Science
11. Taif University
12. Taif
13. Saudi Arabia
14. Prairie View A & M University
15. Prairie View
16. USA