1. Department of Chemistry, Damani Bhairuratan Fatechand, Dayanand College of Arts and Science, Solapur 413002, India
2. School of Nanoscience and Technology, Shivaji University, Kolhapur 416004, India
3. Department of Physics, National Dong Hwa University, Shou-Feng, Hualien 97401, Taiwan
4. Department of Chemical and Biological Sciences, S. N. Bose National Centre for Basic Sciences, Kolkata 700106, India