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  4. Design, mesomorphic properties, and supramolecular organization of [60]fullerene-containing thermotropic liquid crystals
 
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Design, mesomorphic properties, and supramolecular organization of [60]fullerene-containing thermotropic liquid crystals

Auteur(s)
Chuard, Thierry
Deschenaux, Robert 
Institut de chimie 
Date de parution
2002
In
Journal of Materials Chemistry, Royal Society of Chemistry (RSC), 2002/12/7/1944-1951
Résumé
Two concepts have been developed for the design of [60]fullerene-containing thermotropic liquid crystals, namely, the covalent and non-covalent concepts. In the covalent approach, C<sub>60</sub> was functionalized with liquid-crystalline addends (malonate and aldehyde derivatives) by applying either the Bingel reaction or the 1,3-dipolar cycloaddition reaction. In the non-covalent approach, a liquid-crystalline inclusion complex was obtained from mesomorphic cyclotriveratrylene (CTV) derivatives and C<sub>60</sub>. All of the covalent C<sub>60</sub> derivatives showed smectic A phases. In one case, an additional nematic phase was detected. The [C<sub>60</sub>(CTV)<sub>2</sub>] complex gave rise to nematic-like and cubic phases. The covalent and non-covalent approaches demonstrate the various possibilities for C<sub>60</sub> to give rise to mesomorphic materials.
Identifiants
https://libra.unine.ch/handle/123456789/14310
_
10.1039/b201353n
Type de publication
journal article
Dossier(s) à télécharger
 main article: Chuard_Thierry_-_Design_mesomorphic_properties_and_supramolecular_20100305.pdf (567.38 KB)
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