报告题目：Moving Solid Pieces of Polymers by Stimuli: towards Soft Robots

报 告 人：赵越 教授

                  Université de Sherbrooke，Canada

报告地点：无机-超分子楼圆形报告厅二楼

报告时间：2019年07月17日 上午9:00（星期三）

报告摘要：

Some crosslinked polymers, such as liquid crystalline and semicrystalline polymers, can exhibit a reversible shape change when they undergo a phase transition between an ordered and disordered state. If the phase transition of such a polymer can be triggered by a stimulus (light, electric field, heat, etc.) and be made to go back and forth repeatedly, the shape change can be converted into some sort of controlled motion or locomotion of the solid polymer. In this talk, I will report on our recent research on polymer actuators that have a general interest in developing stimuli-controlled soft robots and devices. I will show examples of using light, electric power and heat to move solid pieces of polymers, and discuss important issues involved, including materials design, enhancement of actuation force, biomimetic locomotion modes, autonomous motion under constant stimulation, and reversible transformation between two complex shapes.

报告人简介：

Yue Zhao received his BSc in 1982 from Chengdu University of Science and Technology, and his Ph.D. in 1987 from the École Supérieure de Physique et de Chimie Industrielles de Paris (ESPCI). After postdoctoral studies at the Université Laval, Canada, he joined the Chemistry Department of the Université de Sherbrooke in 1991 and has been a Full Professor since 2000. Zhao’s main research interests are the design, synthesis, study and exploitation for applications of self-assembled, nanostructured and stimuli-responsive polymers and liquid crystalline materials. He has published 215 papers in primary journals and edited a book on azobenzene-containing polymers and liquid crystals with Prof. Tomiki Ikeda. He was awarded the Macromolecular Science and Engineering Award of the Chemical Institute of Canada (CIC) in 2013, and elected CIC Fellow in 2014.

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