1. Prof. C.N.R. Rao Centre for Nano Research
2. Tumkur University
3. Tumkur 572103, India
4. Department of Chemistry
5. M. S. Ramaiah Institute of Technology
6. Bangalore 560054, India
7. Chhattisgarh Swami Vivekanand Technical University
8. Bhilai-493441, India
9. Materials Research Centre
10. Indian Institute of Science
11. Bangalore 560 012, India