Naturally occurring polyphenols as building blocks for supramolecular liquid crystals - substitution pattern dominates mesomorphism dagger

Autor(en)

Jan Balszuweit, Meik Blanke, Marco Saccone, Markus Mezger, Constantin G. Daniliuc, Christoph Wölper, Michael Giese, Jens Voskuhl

Abstrakt

A modular supramolecular approach towards hydrogen-bonded liquid crystalline assemblies based on naturally occurring polyphenols is reported. The combination of experimental observations, crystallographic studies and semi-empirical analyses of the assemblies provides insight into the structure-property relationships of these materials. Here a direct correlation of the number of donor OH-groups as well as their orientation with the mesomorphic behavior is reported. We discovered that the number and orientation of the OH-groups have a stronger influence on the mesomorphic behavior of the supramolecular assemblies than the connectivity (e.g. stilbenoid or chalconoid) of the hydrogen bond donors. Furthermore, the photo-switching behavior of selected complexes containing azopyridine ligands was investigated. This study will help future scientists to gain a deeper understanding of the underlying mechanisms and structure-property relationships of supramolecular assemblies with mesomorphic behavior, which is still one of the major challenges in current science.

Organisation(en)

Dynamik Kondensierter Systeme

Externe Organisation(en)

Universität Duisburg-Essen, Università degli Studi di Palermo, Max-Planck-Institut für Polymerforschung, Westfälische Wilhelms-Universität Münster

Journal

Molecular Systems Design & Egineering

Band

6

Seiten

390-397

Anzahl der Seiten

8

ISSN

2058-9689

DOI

https://doi.org/10.1039/d0me00171f

Publikationsdatum

03-2021

Peer-reviewed

Ja

ÖFOS 2012

104011 Materialchemie, 103015 Kondensierte Materie

Link zum Portal

https://ucris.univie.ac.at/portal/de/publications/naturally-occurring-polyphenols-as-building-blocks-for-supramolecular-liquid-crystals--substitution-pattern-dominates-mesomorphism-dagger(45e2c458-456d-4a74-863e-1928a38ac196).html