The influence of substituents on gelation and stacking order of oligoaramid – based supramolecular networks

Drechsler, Susanne; Balog, Sandor; Kilbinger, Andreas F. M.; Casalini, Tommaso

doi:10.1039/C9SM00148D

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The influence of substituents on gelation and stacking order of oligoaramid – based supramolecular networks

Drechsler, Susanne Department of Chemistry - University of Fribourg - Chemin du Musée 9 - CH-1700 Fribourg - Switzerland
Balog, Sandor Adolphe Merkle Institute - University of Fribourg - Chemin des Verdiers 4 - CH-1700 Fribourg - Switzerland
Kilbinger, Andreas F. M. Department of Chemistry - University of Fribourg - Chemin du Musée 9 - CH-1700 Fribourg - Switzerland
Casalini, Tommaso Institute for Chemical and Bioengineering - Department of Chemistry and Applied Biosciences - ETH Zurich - 8093 Zurich - Switzerland

18.09.2019

Published in:

Soft Matter. - 2019, vol. 15, no. 36, p. 7250–7261

English Self-assembly has proven to be a powerful tool for functional, smart materials such as hydrogels derived from low molecular weight compounds. However, the targeted design of functional gelators remains difficult. Here, we present a set of four Y-shaped aromatic amide tetramers with varying functionalities able to undergo different non- covalent interactions. These compounds were explored towards their self-assembly behavior and hydrogel formation by experimental methods such as UV-vis spectroscopy, rheology, small angle X-ray scattering (SAXS), scanning/transmission electron, and atomic force microscopy. Additionally, we investigated the main mechanisms behind oligomer aggregation and the structure of the resulting supramolecular chains through full atomistic molecular dynamics simulations.

Faculty

Faculté des sciences et de médecine

Department

Département de Chimie

Language