1. Department of Applied Chemistry and Inter-University Centre for Nanomaterials and Devices, CUSAT, Kochi 682022, Kerala, India
2. Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695 019, Kerala, India
3. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India