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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/64742
Record Status
Checked
Record Id
64742
Title
Chemically programmed self-sorting of gelator networks
Contributors
KL Morris (Sussex U.)
,
L Chen (Liverpool U.)
,
J Raeburn (Liverpool U.)
,
OR Sellick (Cardiff U.)
,
P Cotanda (Warwick U.)
,
A Paul (Cardiff U.)
,
PC Griffiths (Greenwich U.)
,
SM King (STFC Rutherford Appleton Lab.)
,
RK O'Reilly (Warwick U.)
,
LC Serpell (Sussex U.)
,
DJ Adams (Liverpool U.) (Pr.Au.)
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.
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ISIS
,
ISIS-LOQ
,
STFC
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Language
English (EN)
Type
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Year
Journal Article
Nat Commun
4 (2013): 1480.
doi:10.1038/ncomms2499
2013
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