Effect of electric field on the electrical properties of a self-assembled perylene bisimide

A functionalised perylene bisimide forms two different self-assembled structures in water depending on the solution pH. Structure 1 (formed at pH 6.2) consists of a fibrous structure, whilst structure 2 (formed at pH 9.4) consists of disordered aggregates. Despite being formed from the same molecule...

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Bibliographic Details
Published in:RSC advances 2018-01, Vol.8 (59), p.34121-34125
Main Authors: Saberi Moghaddam, Reza, Draper, Emily R, Wilson, Claire, Heidari, Hadi, Adams, Dave J
Format: Article
Language:English
Subjects:
Chemistry
Electric fields
Electrical properties
Fibrous structure
Molecular structure
Self-assembly
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Summary:A functionalised perylene bisimide forms two different self-assembled structures in water depending on the solution pH. Structure 1 (formed at pH 6.2) consists of a fibrous structure, whilst structure 2 (formed at pH 9.4) consists of disordered aggregates. Despite being formed from the same molecule, structure 1 shows higher stability under illumination and electric field than structure 2 , demonstrating that the nature of the self-assembled aggregate is critical in devices. Interestingly, both structures show p-type behaviour. A functionalised perylene bisimide forms two different self-assembled structures in water depending on the solution pH.
ISSN:2046-2069
2046-2069
DOI:10.1039/c8ra06870d