Ping-Heng Tan is a Professor at the State Key Laboratory of Superlattices and Microstructures at Institute of Semiconductors, Chinese Academy of Sciences. He obtained his BS (1996) in Physics from Peking University, PhD(2001) from Institute of Semiconductors, Chinese Academy of Sciences. He worked at Walter Schottky Institut, Technische Universitaet Muenchen as a Postdoc Research Associate from 2001-2003. He was a KC-Wong Royal Society Fellow at Cambridge University from 2006-2007. His current research is on the optical properties of two-dimensional materials and semiconductor optoelectronic materials. Prof. Tan is the director of Chinese Light Scattering Committee, Chinese Physical Society (CPS); Convener of Semiconductor Physics Session, CPS Fall Meeting; Member of organizing committee of CPS Fall Meeting; Member of a council, CPS; International steering committee of ICORS. He is currently the editors of Semiconductor Science and Technology, npj 2D Materials and Applications, Journal of Raman Spectroscopy, Journal of Semiconductors, Journal of Light Scattering and Asian Journal of Physics. He was supported by National Science Fund for Distinguished Young Scholars in 2012 and was awarded Huang Kun Award on semiconductor physics and solid state physics in 2015.