Journal
RSC ADVANCES
Volume 8, Issue 59, Pages 34121-34125Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ra06870d
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Funding
- University of Glasgow
- EPSRC [EP/L021978/1]
- Leverhulme Trust [ECF-2017-223]
- EPSRC [EP/L021978/2, EP/L021978/1] Funding Source: UKRI
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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.
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