Morris, Kyle L, Chen, Lin, Raeburn, Jaclyn, Sellick, Owen R, Cotanda, Pepa, Paul, Alison, Griffiths, Peter C, King, Stephen M, O’Reilly, Rachel K, Serpell, Louise C and Adams, Dave J (2013) Chemically programmed self-sorting of gelator networks. Nature Communications, 4. p. 1480. ISSN 2041-1723

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Abstract

Controlling the order and spatial distribution of self-assembly in multicomponent supramolecular systems could underpin exciting new functional materials, but it is extremely challenging. When a solution of different components self-assembles, the molecules can either coassemble, or self-sort, where a preference for like-like intermolecular interactions results in coexisting, homomolecular assemblies. A challenge is to produce generic and controlled ‘one-pot’ fabrication methods to form separate ordered assemblies from ‘cocktails’ of two or more self-assembling species, which might have relatively similar molecular structures and chemistry. Self-sorting in supramolecular gel phases is hence rare. Here we report the first example of the pH-controlled self-sorting of gelators to form self-assembled networks in water. Uniquely, the order of assembly can be predefined. The assembly of each component is preprogrammed by the pKa of the gelator. This pH-programming method will enable higher level, complex structures to be formed that cannot be accessed by simple thermal gelation

Item Type:	Article
Schools and Departments:	School of Life Sciences > Biochemistry
Subjects:	Q Science > QD Chemistry Q Science > QD Chemistry > QD0241 Organic chemistry > QD0415 Biochemistry
Depositing User:	Louise Serpell
Date Deposited:	14 Feb 2013 12:26
Last Modified:	14 Feb 2013 12:26
URI:	http://sro.sussex.ac.uk/id/eprint/43762

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