1. Solar Energy Lab
2. Department of Chemistry
3. Thiruvalluvar University
4. Vellore-632 115
5. India
6. Centre for Ionics University of Malaya
7. Department of Physics
8. University of Malaya
9. Kuala Lumpur 50603
10. Malaysia
11. School of Chemistry
12. University of Melbourne
13. Parkville Campus
14. Melbourne
15. Australia