1. Department of Chemical SciencesIndian Institute of Science Education and Research Kolkata Mohanpur, Nadia, West Bengal 741246 India
2. Photosciences and Photonics, Chemical Science and Technology DivisionNIIST (CSIR) Trivandrum 695019 India
3. School of ChemistryIndian Institute of Science Education and Research Thiruvananthapuram Vithura, Thiruvananthapuram 695551 India