1. LIFE, Department of Chemistry, Loyola College (Autonomous), Chennai 600034, India
2. UNESCO-UNISA Africa Chair in Nanoscience’s/Nanotechnology Laboratories, College of Graduate Studies, University of South Africa (UNISA), Muckleneuk Ridge, P.O. Box 392, Pretoria, 0003, South Africa
3. Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India