Bulletin of the American Physical Society
APS March Meeting 2023
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session N00: Poster Session II (11am-2pm PST)
Wednesday, March 8, 2023
Room: Exhibit Hall (Forum Ballroom)
Sponsoring Unit: APS
Abstract: N00.00066 : Exploring and tuning the morphologies in coarse-grained polymerized ionic liquids: a molecular dynamics study
In our work, we construct and use a soft coarse-grained model with smeared electrostatic interactions to study the different morphologies and phase transitions in PILs. We observe bulk microphase separation in a pure PIL system as the oppositely charged chains become more chemically incompatible, and a spontaneous surface charge separation when metallic electrodes are added, a phenomenon previously reported in coarse-grained monomeric ILs. We show how the ordered structures change as the PIL is mixed with salt or monomeric ILs, as asymmetry is introduced between the polycations and polyanions, and when a potential difference is applied. Furthermore, we examine the ion transport properties in these materials. Our findings may aid the development of PILs for use in energy storage applications and nanostructured functional materials.
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