1. Department of Nanoscience and Technology
2. Bharathiar University
3. Coimbatore–641 046
4. India
5. Environmental & Water Technology
6. Centre of Innovation
7. Ngee Ann Polytechnic
8. Singapore 599489
9. Singapore
10. National Institute of Advanced Industrial Science and Technology (AIST)
11. Nagoya 463-8560
12. Japan
13. Center for Nanofibers and Nanotechnology
14. Department of Mechanical Engineering
15. National University of Singapore
16. Singapore 117576