Professor Kislon Voitchovsky kislon.voitchovsky@durham.ac.uk
Professor
Professor Kislon Voitchovsky kislon.voitchovsky@durham.ac.uk
Professor
D. Giofrè
J.J. Segura
F. Stellacci
M. Ceriotti
At the interface with solids, the mobility of liquid molecules tends to be reduced compared with bulk, often resulting in increased local order due to interactions with the surface of the solid. At room temperature, liquids such as water and methanol can form solvation structures, but the molecules remain highly mobile, thus preventing the formation of long-lived supramolecular assemblies. Here we show that mixtures of water with methanol can form a novel type of interfaces with hydrophobic solids. Combining in-situ atomic force microscopy and multiscale molecular dynamics simulations, we identify solid-like two-dimensional interfacial structures that nucleate thermally, and are held together by an extended network of hydrogen bonds. On graphite, nucleation occurs above B35 C, resulting in robust, multilayered nanoscopic patterns. Our findings could have an impact on many fields where water-alcohol mixtures play an important role such as fuel cells, chemical synthesis, self-assembly, catalysis and surface treatments.
Voïtchovsky, K., Giofrè, D., Segura, J., Stellacci, F., & Ceriotti, M. (2016). Thermally-nucleated self-assembly of water and alcohol into stable structures at hydrophobic interfaces. Nature Communications, 7, Article 13064. https://doi.org/10.1038/ncomms13064
Journal Article Type | Article |
---|---|
Acceptance Date | Aug 31, 2016 |
Online Publication Date | Oct 7, 2016 |
Publication Date | Oct 7, 2016 |
Deposit Date | Sep 28, 2016 |
Publicly Available Date | Sep 28, 2016 |
Journal | Nature Communications |
Electronic ISSN | 2041-1723 |
Publisher | Nature Research |
Peer Reviewed | Peer Reviewed |
Volume | 7 |
Article Number | 13064 |
DOI | https://doi.org/10.1038/ncomms13064 |
Public URL | https://durham-repository.worktribe.com/output/1404241 |
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