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Issue 41, 2016
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Supramolecular control over the structural organization of a second-order NLO-active organogelator

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Abstract

A study of the structural parameters which govern the supramolecular organization of an organogelator built from the Disperse Red moiety is proposed. In particular, the key balance between intermolecular H-bonding and/or π–π interactions is addressed by comparing the effect of a secondary amide vs. an ester linker within the molecular structure. Solution 1H-NMR studies show the superiority of the former interaction in promoting the nanostructuring process, allowing it to reach a gel state in toluene. The nanostructures obtained from both the amide and the ester derivatives were also studied in the solid state. In particular, the use of second-harmonic generation microscopy demonstrates that an anisotropic organization of the material can even be observed in the case of the ester derivative, which demonstrates the efficiency of the tris(alkoxy)benzene unit in directing the self-assembly process, independently of additional H-bond interactions.

Graphical abstract: Supramolecular control over the structural organization of a second-order NLO-active organogelator

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Supplementary files

Article information


Submitted
09 Aug 2016
Accepted
27 Sep 2016
First published
27 Sep 2016

This article is Open Access

Soft Matter, 2016,12, 8480-8484
Article type
Communication

Supramolecular control over the structural organization of a second-order NLO-active organogelator

F. Aparicio, L. Faour, D. Gindre, D. Canevet and M. Sallé, Soft Matter, 2016, 12, 8480
DOI: 10.1039/C6SM01836J

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