In silico synthesis of microgels: structure, elasticity and effective interactions in bulk and at liquid-liquid interfaces

Speaker: Emanuela ZACCARELLI
(
  • Sapienza University of Rome
)

Abstract

Abstract:

Microgels are soft particles individually made by cross-linked polymer networks which are nowadays widely used as a colloidal model system because of their swelling properties and their responsivity to external control parameters such temperature or pH. While extensively used as model systems in experimental, their numerical investigation lagged behind due to the inherently complex and multiscale nature of the particles. In this talk I will illustrate the protocol that we recently developed to synthesize microgels in-silico, providing a realistic description of the particles, in particular their characteristic inhomogeneous core-corona structure and their swelling behavior. I will also report on the calculation of their elastic properties and effective interactions in bulk and at liquid-liquid interfaces. The numerical results will be compared to available experiments. Our work aims to establish a clear link between the microscopic network properties and the resulting microgel-microgel interactions, paving the way for a deeper understanding of the behaviour of microgel suspensions.

Related research groups

Nov132020

In silico synthesis of microgels: structure, elasticity and effective interactions in bulk and at liquid-liquid interfaces

Higgs Centre Colloquium
Higgs Centre Seminar Room, JCMB
The Higgs Centre for Theoretical Physics
School of Physics and Astronomy
James Clerk Maxwell Building
Peter Guthrie Tait Road
Edinburgh
EH9 3FD
UK