1Department of Chemistry, St. Xavier's College (Autonomous), Tirunelveli 627002, India
2LIFE, Department of Chemistry, Loyola College (Autonomous), Chennai 600034, India
3UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology Laboratories, College of Graduate Studies, University of South Africa (UNISA), Muckleneuk Ridge, P O Box 392, Pretoria, South Africa
4Nanosciences African Network (NANOAFNET), Materials Research Department (MRD), iThemba LABS-National Research Foundation (NRF), 1 Old Faure Road, 7129, P O Box 722, Somerset West, Western Cape Province, South Africa
5Catalysis and Nanomaterials Research Laboratory, Department of Chemistry, Loyola College (Autonomous), Chennai 600034, India
6Department of Microbiology, School of Life Sciences, Pondicherry University, Puducherry, 605014, India
7National Isotope Centre, GNS Science, Lower Hutt, New Zealand