Please use this identifier to cite or link to this item:
|Title:||Supramolecular Spheres Self-Assembled from Conical Dendrons Are Chiral|
|Authors:||Daniela A. Wilson|
Katerina A. Andreopoulou
Benjamin E. Partridge
Paul A. Heiney
Stony Brook University
Radboud University Nijmegen
University of Pennsylvania
|Keywords:||Biochemistry, Genetics and Molecular Biology;Chemical Engineering;Chemistry|
|Citation:||Journal of the American Chemical Society. Vol.141, No.15 (2019), 6162-6166|
|Abstract:||© 2019 American Chemical Society. Frank-Kasper phases and liquid quasicrystals self-organize from supramolecular spheres of dendrimers, block copolymers, surfactants and other self-assembling molecules. These spheres are expected to be achiral due to their isotropic shape. Nevertheless, supramolecular spheres from short helical stacks of crown-like dendrimers self-organize a Pm3n cubic (Frank-Kasper A15) phase which exhibits chirality on the macroscopic scale. However, the chirality of classic isotropic supramolecular micellar-like spheres, generated from conical dendrons, is unknown. Here we report a library of second and third generation biphenylpropyl dendrons with chiral groups at their apex that produces single-handed chiral supramolecular spheres. Up to 480 conical dendrons self-assemble to form micellar-like spheres, with a molar mass of up to 1.1 × 106 g/mol, that self-organize into a Pm3n phase with chirality detectable on the macroscopic scale. This demonstration of chirality in micellar-like spheres of a Frank-Kasper phase raises the fundamental question whether micellar-like spheres forming 3D phases generated from other soft matter such as block copolymers, surfactants, and other molecules are chiral.|
|Appears in Collections:||Scopus 2019|
Files in This Item:
There are no files associated with this item.
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.