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Issue 12, 2013
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Controlling the self-assembly of cationic bolaamphiphiles: counterion-directed transitions from 0D/1D to exclusively 2D planar structures

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Abstract

Self-assembly of cationic bolaamphiphiles is usually reported to form one-dimensional (1D) or zero-dimensional (0D), rather than two-dimensional (2D) structures. Here we have found a facile counterion-directed structure switch for such amphiphilic moieties. 0D/1D structures formed by self-assembly of cationic bolaamphiphiles can be converted into 2D planar structures by a simple counterion change to tosylate. As indicated by the single crystal structure and variable-temperature NMR studies, the strong binding between tosylate counterions and cationic headgroups drives the formation of 2D planar structures. It is highly anticipated that this approach may present as a simple methodology to control the stacking of the embedded conjugated cores in bolaamphiphiles, therefore modulating optoelectronic properties and function in such assemblies.

Graphical abstract: Controlling the self-assembly of cationic bolaamphiphiles: counterion-directed transitions from 0D/1D to exclusively 2D planar structures

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Publication details

The article was received on 21 Aug 2013, accepted on 11 Sep 2013 and first published on 18 Sep 2013


Article type: Edge Article
DOI: 10.1039/C3SC52342J
Chem. Sci., 2013,4, 4486-4493

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    Controlling the self-assembly of cationic bolaamphiphiles: counterion-directed transitions from 0D/1D to exclusively 2D planar structures

    G. Wu, P. Verwilst, K. Liu, M. Smet, C. F. J. Faul and X. Zhang, Chem. Sci., 2013, 4, 4486
    DOI: 10.1039/C3SC52342J

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