About the Authors

Agnes Mbonyiryivuze

UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies,
University of South Africa, Pretoria-South Africa

Z. Y. Nuru

UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies,
University of South Africa, Pretoria-South Africa

Balla Diop Ngom

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

Bonex Mwakikunga

UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies,
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

Simon Mokhotjwa Dhlamini

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

Eugene Park

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

Malik Maaza

UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology, College of Graduate Studies,
University of South Africa, Pretoria-South Africa

Corresponding Author

Email: mbonyiryivuzeagnes@yahoo.com