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Supramolecular architectures from bent-core dendritic molecules

AutorCano, Miguel; Sánchez-Ferrer, Antoni; Serrano, José Luis; Gimeno, Nélida; Ros, M. Blanca
Palabras claveIonic dendrimers
Liquid crystals
Self-assembly
Supramolecular chemistry
Chirality transfer
Fecha de publicación2014
EditorWiley-VCH
CitaciónAngewandte Chemie - International Edition 53(49): 13449-13453 (2013)
ResumenControl of the self-assembly of small molecules to generate architectures with diverse shapes and dimensions is a challenging research field. We report unprecedented results on the ability of ionic, bent dendritic molecules to aggregate in water. A range of analytical techniques (TEM, SEM, SAED, and XRD) provide evidence of the formation of rods, spheres, fibers, helical ribbons, or tubules from achiral molecules. The compact packing of the bent-core structures, which promotes the bent-core mesophases, also occurs in the presence of a poor solvent to provide products ranging from single objects to supramolecular gels. The subtle balance of molecule/solvent interactions and appropriate molecular designs also allows the transfer of molecular conformational chirality to morphological chirality in the overall superstructure. Functional motifs and controlled morphologies can be combined, thereby opening up new prospects for the generation of nanostructured materials through a bottom-up strategy.
URIhttp://hdl.handle.net/10261/121017
DOI10.1002/anie.201407705
Identificadoresdoi: 10.1002/anie.201407705
issn: 0044-8249
e-issn: 1521-3757
Aparece en las colecciones: (ICMA) Artículos
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