Potential enthalpic energy of water in oils exploited to control supramolecular structure

Nathan J. van Zee, Beatrice Adelizzi, Mathijs F.J. Mabesoone, Xiao Meng, Antonio Aloi, R. Helen Zha, Martin Lutz, Ivo A.W. Filot, Anja R.A. Palmans, E.W. Meijer

Research output: Contribution to journalArticleAcademicpeer-review

21 Citations (Scopus)

Abstract

Water directs the self-assembly of both natural 1,2 and synthetic 3-9 molecules to form precise yet dynamic structures. Nevertheless, our molecular understanding of the role of water in such systems is incomplete, which represents a fundamental constraint in the development of supramolecular materials for use in biomaterials, nanoelectronics and catalysis 10 . In particular, despite the widespread use of alkanes as solvents in supramolecular chemistry 11,12, the role of water in the formation of aggregates in oils is not clear, probably because water is only sparingly miscible in these solvents - typical alkanes contain less than 0.01 per cent water by weight at room temperature 13 . A notable and unused feature of this water is that it is essentially monomeric 14 . It has been determined previously 15 that the free energy cost of forming a cavity in alkanes that is large enough for a water molecule is only just compensated by its interaction with the interior of the cavity; this cost is therefore too high to accommodate clusters of water. As such, water molecules in alkanes possess potential enthalpic energy in the form of unrealized hydrogen bonds. Here we report that this energy is a thermodynamic driving force for water molecules to interact with co-dissolved hydrogen-bond-based aggregates in oils. By using a combination of spectroscopic, calorimetric, light-scattering and theoretical techniques, we demonstrate that this interaction can be exploited to modulate the structure of one-dimensional supramolecular polymers.

LanguageEnglish
Pages100-103
Number of pages4
JournalNature
Volume558
Issue number7708
DOIs
StatePublished - 7 Jun 2018

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Potential energy
Oils
Water
Alkanes
Molecules
Hydrogen bonds
Supramolecular chemistry
Nanoelectronics
Biocompatible Materials
Light scattering
Self assembly
Catalysis
Free energy
Costs
Polymers
Thermodynamics

Cite this

van Zee, Nathan J. ; Adelizzi, Beatrice ; Mabesoone, Mathijs F.J. ; Meng, Xiao ; Aloi, Antonio ; Zha, R. Helen ; Lutz, Martin ; Filot, Ivo A.W. ; Palmans, Anja R.A. ; Meijer, E.W./ Potential enthalpic energy of water in oils exploited to control supramolecular structure. In: Nature. 2018 ; Vol. 558, No. 7708. pp. 100-103
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Potential enthalpic energy of water in oils exploited to control supramolecular structure. / van Zee, Nathan J.; Adelizzi, Beatrice; Mabesoone, Mathijs F.J.; Meng, Xiao; Aloi, Antonio; Zha, R. Helen; Lutz, Martin; Filot, Ivo A.W.; Palmans, Anja R.A.; Meijer, E.W.

In: Nature, Vol. 558, No. 7708, 07.06.2018, p. 100-103.

Research output: Contribution to journalArticleAcademicpeer-review

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van Zee NJ, Adelizzi B, Mabesoone MFJ, Meng X, Aloi A, Zha RH et al. Potential enthalpic energy of water in oils exploited to control supramolecular structure. Nature. 2018 Jun 7;558(7708):100-103. Available from, DOI: 10.1038/s41586-018-0169-0