Dr. Efthymis Serpetzoglou is a Postdoctoral Researcher at the Institute of Electronic Structure and Laser of the Foundation for Research and Technology (IESL-FORTH). He obtained his 5 years Diploma in Applied Mathematics and Physical Sciences from National Technical University of Athens (NTUA) in 2012 and his M.Sc. in Micro-systems and Nano-devices in Applied Mathematics and Physical Sciences from NTUA (Athens) in 2014. He has experience in Laser Laboratory, as well as fabrication and characterization of Organic Photovoltaics (OPVs) and Biosensors. He received his PhD in Physics from University in Crete in 2020. During his PhD, he studied the charge carrier dynamics and recombination processes in perovskite solar cells, organic photovoltaics and nano-material by means of Ultrafast Absorption Spectroscopy.