د.محمد غفار فرج - استاذ مساعد-جامعة كوية Dr. Mohammad Ghaffar Faraj is Assistant Professor at the Department of Physics, Koya University-Kurdistan Region of Iraq. He received the B.Sc. and the M.Sc. degrees in physics, both from the University of Al-Mustansiriya, Iraq, in 2001 and 2004, respectively. He received his Ph.D. degree (solar energy) in 2012 from the School of Physics; University Sains Malaysia. He participated in many international conferences (7 papers) and workshops. He has been published 14 papers in the ISI journals and 11 papers in International journals. His research interests include solar cells, thin films and nanotechnology, polymers, and photodetectors heterojunction.