1. National Center for Nanoscience and Technology
2. University of Chinese Academy of Sciences
3. Beijing 100190
4. China
5. Institute of Chemical Sciences
6. Gomal University
7. Dera Ismail Khan
8. Pakistan
9. Department of Chemistry
10. University of Malakand
11. Chakdara, Dir
12. Center of Excellent in Nanotechnology
13. King Fahad University of Petroleum and Minerals
14. Dhahran
15. Saudi Arabia
16. Balochistan University of Information Technology
17. Engineering and Management Sciences
18. Quetta
19. Science and Research Branch
20. Islamic Azad University
21. Tehran
22. Iran
23. Institute of Engineering Research
24. Hefei Guoxuan High-tech Power Energy Co., Ltd
25. Hefei 230011
26. P. R. China