Lecture on "Curl assembly and application of thin film materials"

Speaker: Prof. Yongfeng Mei, Fudan University

Inviter: Prof. Qinglei Guo

Date:April 19, 2019

Time:9:00-10:30 a.m.

Location:Lecture Hall, 7F, Block C, Zhixin Building, Central Campus

Abstract:Researches of materials science widely spread from traditional three-dimensional blocks, two-dimensional thin films, to one-dimensional nano- and zero-dimensional materials. Switching or assembly of material dimensions has become a new trend in materials research. In this presentation, we will introduce a flexible rolling technique through stress design and regulation, to assemble into three-dimensional micro/nano-tubular and spiral origami based on conventional thin films. Due to the universality of material applications and technological process compatibility, many functional thin film materials exhibit novel properties and application potentials after morphological assembly and transformation. We will demonstrate the flexibility and uniqueness of this approach for materials science exploration and research, and show examples of multifaceted research in optical resonance and detection, bionic biological structures, micro-nano-machines, and motors. In summary, from flexible rolling to intelligent assembly, it will provide a new way of thinking about thin-film materials research and expand the dimensions of the morphology of materials research to expect potential applications.

Bio:Yongfeng Mei received his BS and MS in physics from Nanjing University and PhD in materials physics from City University of Hong Kong. He is a professor in materials physics and chemistry and associated department head in the Department of Materials Science at Fudan University (China). Before that, he worked as a post-doctoral researcher in the Max Planck Institute for Solid State Research (Germany) and then led a research group in the Leibniz Institute for Solid State and Materials Research Dresden (Germany) as a staff scientist. His research interest focuses on the materials development in micro/nanorobotics, flexible electronics/optoelectronics and nanophotonics. He has published more than 200 peer-reviewed journal papers. He also serves Editorial Advisory Board of e.g.Applied Physics Letters,Chemistry of Materials,Progress in Natural Science: Materials International and Nanotechnology.