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Liquid-crystalline fullerene-ferrocene dyads
Auteur(s)
Campidelli, Stephane
Vazquez, Ester
Milic, Dragana
Prato, Maurizio
Barbera, Joaquin
Guldi, Dirk M.
Marcaccio, Massimo
Paolucci, Demis
Paolucci, Francesco
Date de parution
2004
In
J. Mater. Chem.
Vol.
8
No
14
De la page
1266
A la page
1272
Résumé
The 1,3-dipolar cycloaddn. reaction was used to assemble fullerene, ferrocene and a 2nd-generation liq.-cryst. cyanobiphenyl-based dendrimer. The targeted compd. displayed an enantiotropic smectic A phase from 40 to 135°. The d-layer spacing was detd. by x-ray diffraction, and is independent of temp. with a value of 95 Å. Mol. modeling and structural considerations suggested partial bilayer organization of the mesogenic mol. units within the smectic layers. Oxidn. or redn. processes of the basic components (ferrocene, fullerene, dendrimer) were studied by electrochem. techniques, and were in agreement with the structure. Photoinduced electron transfer from ferrocene to fullerene was identified, most likely with a through space mechanism. [on SciFinder(R)]
Identifiants
Type de publication
journal article
