Benjamin Agyei-Tuffour is an Associate Professor of Materials Science and Engineering, University of Ghana. His research area includes Composite and Nanocomposite Materials Development for Renewable and Sustainable Energy Applications using Silicon, Organic and Perovskite Solar Cells, Batteries, Capacitors/Supercapacitors. He was a fellow of the ARUA-ECRF at the Stellenbosch University. The World Academy of Sciences (TWAS)-German Research Foundation (DFG), Carnegie Corporation Next Generation of African Academics (CC-NGAA) and the BANGA-Africa scholar at the Institute for Advanced Materials, Devices and Nanotechnology (IAMDN), Rutgers University, New Jersey, National Synchrotron Light Source (NSLS), Brookhaven National Laboratory, Upton, New York as well as the Integrative Graduate Education Research and Training. He also had Post-Doctoral Fellowship with the Worcester Polytechnic Institute, USA