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Liquid-crystalline fullerene–ferrocene dyads

Auteur(s)
Campidelli, Stéphane
Editeur(s)
Vázquez, Ester
Milic, Dragana
Prato, Maurizio
Barberá, Joaquín
Guldi, Dirk M.
Marcaccio, Massimo
Paolucci, Demis
Paolucci, Francesco
Deschenaux, Robert 
Institut de chimie 
Date de parution
2004
In
Journal of Materials Chemistry, Royal Society of Chemistry, 2004/14//1266 - 1272
Résumé
The 1,3-dipolar cycloaddition reaction was used to assemble fullerene, ferrocene and a second-generation liquid-crystalline cyanobiphenyl-based dendrimer. The targeted compound displayed an enantiotropic smectic A phase from 40 to 135 °C. The <i>d</i>-layer spacing was determined by X-ray diffraction, and was found to be independent of temperature with a value of 95 Å. Molecular modeling and structural considerations suggested partial bilayer organization of the mesogenic molecular units within the smectic layers. Oxidation or reduction processes of the basic components (ferrocene, fullerene, dendrimer) were investigated by electrochemical techniques, and were in agreement with the structure. Photoinduced electron transfer from ferrocene to fullerene was identified, most likely with a “through space” mechanism.
URI
https://libra.unine.ch/handle/123456789/18382
DOI
10.1039/b316085h
Autre version
http://dx.doi.org/10.1039/b316085h
Type de publication
Resource Types::text::journal::journal article
Dossier(s) à télécharger
 main article: Campidelli_St_phane_-_Liquid-crystalline_fullerene-ferrocene_dyads_RSC_20061113112310-OK.pdf (663.23 KB)
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