Han Zhang received his B.S. degree from Wuhan University in 2006 and Ph.D. from Nanyang Technological University in 2010. His current research is on the ultrafast and nonlinear photonics of two-dimensional materials. He is currently the director of Shenzhen Key Laboratory of 2D Materials and Devices and Shenzhen Engineering Laboratory of Phosphorene and Optoelectronics, Shenzhen University. Google Scholar h-index ≥ 81, total citations ≥ 24,500, ESI highly cited papers (52) and hot papers (6). Dr. Nasir Mahmood Abbasi received his Master's degree in Chemistry from the University of Karachi, Pakistan, and PhD in Chemical Engineering with focus on nanoscale materials from Zhejiang University, China. Currently, he is working as a postdoc fellow in the School of Physics and Optoelectronic Engineering at Shenzhen University. His research interests include heterostructures and the macro-assemblies of two-dimensional materials for their applications in energy, healthcare, and electronics. Bing Wang received her PhD degree in Physics from Sun Yat-Sen University (SYSU) in 2007. Currently, she is Associate Professor in the College of Physics and Optoelectronic Engineering, Shenzhen University. Her scientific research concentrates on 2D semiconductor optoelectronic properties and applications.