Prof. Zhenyu Yang (楊振宇), Professor at School of Chemistry of Sun Yat-sen University, visited IAPME on June 23, 2025. During his visit, he delivered an insightful presentation titled “Ligand Engineering for Modulating the Crystal Structure and Optoelectronic Properties of Two-Dimensional Metal Halide Perovskites”. The seminar was hosted by Prof. Yongqing Cai, who extended the invitation to Prof. Yang.
Prof. Yang obtained his B.Sc. from Nankai University in 2009 and later pursued his Ph.D. at the University of Alberta under the supervision of Prof. Jonathan Veinot, a leading expert in solid-state silicon chemistry. After earning his doctorate in 2014, he joined the laboratory of Prof. Edward Sargent at the University of Toronto as a postdoctoral researcher. His current research focuses on the synthesis and surface chemistry of silicon/germanium semiconductors, as well as the design and optimization of related optoelectronic devices.
During his talk, Prof. Yang highlighted a novel class of organic zwitterionic ligands and related chemical reactions developed by his research group, along with the resulting series of unprecedented 2D perovskite structures. The seminar covered the discovery and development of these ligands and their reactions, their impact on perovskite dimensionality and bonding modes, as well as the optoelectronic properties of the derived materials.
