题 目： Structural Behavior of Charged Diblock Polymers and Polyelectrolyte Complexes

报告人： Dr. Zuowei Wang 
School of Mathematical and Physical Sciences
University of Reading

Abstract
 

Studies of the phase behavior of charged polymer solutions find importance in a wide range of scientific and engineering fields. This is owing to the numerous applications of these materials such as in gene therapy, drug delivery, colloidal stabilization, functional materials and fuel cells. The conformational and complexationbehavior of charged polymers are determined by two main factors: charge distribution along the polymer backbone and electrostatic interaction strength. In this talk, I will present our computer simulation and scaling theory studies on the structural properties of single diblockpolyampholytes, which are composed of two oppositely charged blocks, and their counterparts of polyelectrolyte complexes, which are formed by pairs of oppositely charged polyelectrolyte chains. These works are carried out for a broad range of charge asymmetries and in both the weak association and strong ion binding regimes. Our simulation and theoretical results can be applied to understand the complexationbehavior of various charged polymer systems.