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Giant supramolecular liquid crystal lattice
Authors:Ungar Goran  Liu Yongsong  Zeng Xiangbing  Percec Virgil  Cho Wook-Dong
Affiliation:Department of Engineering Materials, University of Sheffield, Sheffield S1 3JD, UK. g.ungar@shef.ac.uk
Abstract:Self-organized supramolecular organic nanostructures have potential applications that include molecular electronics, photonics, and precursors for nanoporous catalysts. Accordingly, understanding how self-assembly is controlled by molecular architecture will enable the design of increasingly complex structures. We report a liquid crystal (LC) phase with a tetragonal three-dimensional unit cell containing 30 globular supramolecular dendrimers, each of which is self-assembled from 12 dendron (tree-like) molecules, for the compounds described here. The present structure is one of the most complex LC phases yet discovered. A model explaining how spatial arrangement of self-assembled dendritic aggregates depends on molecular architecture and temperature is proposed.
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