About the Authors

Agnes Mbonyiryivuze

UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies, University of South Africa, Pretoria-South Africa
Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, Cape Town, South Africa

Isaiah Omollo

UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies, University of South Africa, Pretoria-South Africa
Dept. of Physics, Florida Research Centre, University of South Africa, Florida-South Africa

Balla Diop Ngom

UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies, University of South Africa, Pretoria-South Africa
Laboratoire de Photonique et de nanofablication, Groupe de Physique du Solide et des Science matériaux (GPSSM), Faculté de Science et Techniques, Université Cheikh Anta Diop de Dakar(UCAD), Dakar, Sénégal

Bonex Mwakikunga

UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies, University of South Africa, Pretoria-South Africa
CSIR- National Centre for Nano-Structured Materials, Pretoria, South Africa

Simon Mokhotjwa Dhlamini

UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies, University of South Africa, Pretoria-South Africa
Dept. of Physics, Florida Research Centre, University of South Africa, Florida-South Africa

Eugene Park

UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies, University of South Africa, Pretoria-South Africa
Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, Cape Town, South Africa;Materials Sci. & Eng. Dept., Nelson Mandela African Institute of Science & Technology, Arusha-Tanzania

Malik Maaza

UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies, University of South Africa, Pretoria-South Africa
Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, Cape Town, South Africa

Corresponding Author

Email: mbonyiryivuzeagnes@yahoo.com