Biography: Dr. Prof. Zhigang Zang received his PhD degree from Kyushu University in 2011. He joined School of Optoelectronic Engineering, Chongqing University as a professor since 2014. His research interests mainly focus on the synthesis of II-VI, III-V, graphene and perovskite materials and their applications in solar cells, photodetectors and light emitting diodes. He has published more than 90 peer review SCI journal papers and obtained more than 5500 citations.