Self-sorted Oligophenylvinylene and Perylene Bisimide Hydrogels

We describe two component hydrogels with networks composed of self-sorted fibres. The component gelators are based on 1,4-distyrylbenzene (OPV3) and perylene bisimide (PBI) units. Self-sorted gels can be formed by a slow decrease in pH, which leads to sequential assembly. We demonstrate self-sorting...

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Bibliographic Details
Published in:Scientific reports 2017-08, Vol.7 (1), p.8380-10, Article 8380
Main Authors: Castilla, Ana M., Draper, Emily R., Nolan, Michael C., Brasnett, Christopher, Seddon, Annela, Mears, Laura L. E., Cowieson, Nathan, Adams, Dave J.
Format: Article
Language:English
Subjects:
639/301/923/1027
639/301/923/3931
Drying
Fibers
Gels
Humanities and Social Sciences
Hydrogels
multidisciplinary
pH effects
Rheology
Science
Science (multidisciplinary)
Self
X-ray scattering
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Summary:We describe two component hydrogels with networks composed of self-sorted fibres. The component gelators are based on 1,4-distyrylbenzene (OPV3) and perylene bisimide (PBI) units. Self-sorted gels can be formed by a slow decrease in pH, which leads to sequential assembly. We demonstrate self-sorting by NMR, rheology and small angle X-ray scattering (SAXS). Photoconductive xerogels can be prepared by drying these gels. The wavelength response of the xerogel is different to that of the PBI alone.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-017-08644-0