Dr. El Hadji Mamour Sakho received his PhD degree in Applied Physics from Mahatma Gandhi University, India in 2016. Currently he is a postdoctoral fellow in the Department of Applied Chemistry, University of Johannesburg, South Africa under the supervision of Prof. SO Oluwafemi His research focus is on the synthesis and characterization of graphene based hybrid materials for different applications such as solar cells, batteries, nonlinear optical applications, sensors, photocatalysts and polymer nanocomposites.