Issue 7, 2019

Annealing multicomponent supramolecular gels


Annealing is widely used as a means of changing the physical properties of a material. The rate of heating and cooling used in the annealing process controls the final properties. Annealing can be used as a means of driving towards the, or at least a, thermodynamic minimum. There is surprisingly little information on annealing kinetically-trapped supramolecular gels. Here, we show that annealing multicomponent gels can be used to prepare materials with tunable mechanical properties. We show that annealing in a two-component gel leads to a self-sorted network, which has significantly different mechanical properties to the as-prepared gels. Whilst the fibres are self-sorted, we show that the annealing of this system leads to significant change in the network level of assembly, and it is this that leads to the increase in storage modulus. We also show that it is possible to selectively anneal only a single component in the mixture.

Graphical abstract: Annealing multicomponent supramolecular gels

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Article information

Article type
21 Nov 2018
30 Jan 2019
First published
30 Jan 2019
This article is Open Access
Creative Commons BY license

Nanoscale, 2019,11, 3275-3280

Annealing multicomponent supramolecular gels

A. M. Fuentes-Caparrós, F. de Paula Gómez-Franco, B. Dietrich, C. Wilson, C. Brasnett, A. Seddon and D. J. Adams, Nanoscale, 2019, 11, 3275 DOI: 10.1039/C8NR09423C

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