1. Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India
2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
3. Department of Chemistry – Ångström Laboratory, Uppsala University Box 523, SE-75120 Uppsala, Sweden