1. Department of Chemistry, Faculty of Natural and Agricultural Sciences, North-West University (Mafikeng Campus), Private Bag X2046, Mmabatho 2735, South Africa
2. Department of Chemistry, Gayatri Vidya Parishad UG & PG (A) College, Rushiknoda, Visakhapatnam, 530045, India
3. Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
4. Department of Chemistry, S.V. Arts UG & PG College (TTD’S), Tirupati, 517502, India