1. Department of Chemistry; Faculty of Natural and Agricultural Science; North-West University (Mafikeng Campus); Private Bag X2046 2735 Mmabatho South Africa
2. Material Science Innovation and Modelling (MaSIM) Research Focus Area; Faculty of Natural and Agricultural Science; North-West University (Mafikeng Campus); Private Bag X2046 Mmabatho South-Africa
3. Department of Chemical, Metallurgical and Materials Engineering; Faculty of Natural and Agricultural Science; Tshwane University of Technology; 0001 Pretoria South Africa