Ionic Liquids (ILs), a class of molten salts with melting points below 100 <sup>o</sup>C, have unique chemical and physical properties which make them excellent candidates for various applications including in chemical synthesis, catalysis, tribology, electrochemistry and many other areas. Due to the nature of such applications, ILs are often exposed to various interfaces and forms of confinement including by air, vacuum, other liquids or solids. The structure and dynamics of ILs change when vicinal to boundaries and understanding these changes is critically relevant to said applications. During my presentation, I plan to show results from molecular dynamics simulations of an ‘IL mixture’ based on the alkylimidazolium – alkylsulfate family of ions confined by vacuum and mica. Whereas vacuum represents a highly apolar boundary, mica instead is highly polar. Even though these interfaces are very different, and so are their corresponding adlayers, some of the IL features at the interface are similar including the decorrelation length scale.

Ionic liquid mixtures at polar and apolar interfaces

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.