1. Department of Chemistry, School of Mathematical and Physical Sciences, Materials Science Innovation & Modelling (MaSIM) Research Focus Area, Faculty of Agriculture, Science and Technology, North-West University (Mafikeng Campus), Private Bag X2046, Mmabatho 2735, South Africa
2. Department of Chemistry, University of Delhi, Delhi 110007, India
3. Department of Chemistry,
Faculty of Science, Obafemi Awolowo University, Ile-Ife 220005, Nigeria