1. Department of Materials Science and Engineering, School of Engineering Sciences, College of Basic and Applied Sciences, University of Ghana, Legon, Accra, Ghana
2. Department of Novel Materials and Interfaces for Photovoltaic Solar Cells, Helmholtz Zentrum- Berlin,fur Materialen und Energie, Legon, Berlin, Germany
3. African Research University Alliance (ARUA) Center of Excellence in Energy, Stellenbosch University, Stellenbosch, South Africa
4. Department of Materials Engineering, College of Engineering, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
5. Department of Physics, School of Physical and Mathematical Sciences, College of Basic and Applied Sciences, University of GhanaHelmholtz Zentrum- Berlin,fur Materialen und Energie, Albert-Einstein-Strabe 15, Legon, Accra, Ghana