Dr. Supun Mohottalalage's research focuses on the theory and simulation of polymeric materials. His work involves utilizing all-atom and coarse-grained molecular dynamics (MD) simulation techniques to investigate the structure, dynamics, and rheological behavior of homopolymers and block co-polymers. One of his main areas of interest lies in studying polymeric systems that contain ionizable or associating groups. Understanding the interactions and structure on the monomer to polymer length scales is crucial for controlling the mechanical stability and transport dynamics of these materials. Such knowledge is highly valuable for developing new engineering strategies to expand their applications in energy storage and generation, as well as biomedical contexts. Additionally, Dr. Supun Mohottalalage is particularly interested in modeling fillers incorporated within elastomers. He explores how the presence of fillers affects the polymer-filler interactions and mechanical properties. Another area of focus for him is studying rheological problems in additive manufacturing, specifically the flow of ink through injection nozzles. His research includes considering chemical interactions, structural effects, and other factors to predict printing behavior.

Since 2022, Dr. Supun Mohottalalage has been working as a Postdoctoral Researcher at the Materials Science Division of LLNL.

External Links

• Google Scholar
• ResearchGate
• LinkedIn

Ph. D., Physical Chemistry with emphasis in Polymer Physics, Clemson University, Clemson, South Carolina

Graduate Chemist, Chemistry, Institute of Chemistry Ceylon, Sri Lanka

•    S.S. Mohottalalage, C. Kosgallana, S. Meedin S, T.C. O’Connor, G.S. Grest, and D. Perahia, “Response of Sulfonated Polystyrene Melts to Nonlinear Elongation Flows,” Macromolecules 56(3), 947-53 (2023)
•    S.S. Mohottalalage, M. Senanayake, J.T. Clemmer, D. Perahia, G.S. Grest, and T.C. O’Connor, “Nonlinear elongation flows in associating polymer melts: from homogeneous to heterogeneous flow,” Physical Review X, 12(2), 021024 (2022)
•    S.S. Mohottalalage, D. Aryal, B.A. Thurston, G.S. Grest, and D. Perahia, “Effects of ionic group distribution on the structure and dynamics of amorphous polymer melts”. Macromolecules, 55(1), 217-223 (2021)