Issue 47, 2019
From the journal:

Soft Matter

Mixing oil and water with ionic liquids: bicontinuous microemulsions under confinement†

Hojun Kim, ORCID logo ‡ab   Mengwei Han,‡c   Sarith R. Bandara, ORCID logo a   Rosa M. Espinosa-Marzal ORCID logo *c  and  Cecilia Leal ORCID logo *a  

* Corresponding authors

a Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, IL-61801 Urbana, USA
E-mail: cecilial@illinois.edu

b Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea

c Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, IL-61801 Urbana, USA
E-mail: rosae@illinois.edu

Abstract

We report the structural transition of a phosphonium ionic liquid-based microemulsion from the bulk to nanoconfined between atomically flat micas. Upon the nanoconfinement, we observed a firmly surface-adsorbed ionic liquid film that stabilizes the nanoconfined microemulsion. Further confinement (<11 nm) induces rearrangements in the microemulsion culminating into two well-ordered layers with slow dynamics.

Graphical abstract: Mixing oil and water with ionic liquids: bicontinuous microemulsions under confinement

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Article information

DOI
https://doi.org/10.1039/C9SM01649J
Article type
Communication
Submitted
14 Aug 2019
Accepted
11 Nov 2019
First published
12 Nov 2019

Soft Matter, 2019,15, 9609-9613

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Mixing oil and water with ionic liquids: bicontinuous microemulsions under confinement

H. Kim, M. Han, S. R. Bandara, R. M. Espinosa-Marzal and C. Leal, Soft Matter, 2019, 15, 9609 DOI: 10.1039/C9SM01649J

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