Oligoprolines guide the self-assembly of quaterthiophenes.
Journal
Chemical science
ISSN: 2041-6520
Titre abrégé: Chem Sci
Pays: England
ID NLM: 101545951
Informations de publication
Date de publication:
28 May 2019
28 May 2019
Historique:
received:
22
12
2018
accepted:
25
04
2019
entrez:
14
6
2019
pubmed:
14
6
2019
medline:
14
6
2019
Statut:
epublish
Résumé
Control over the molecular organization of π-conjugated oligothiophenes into different types of supramolecular assemblies is key to their use in organic electronics but difficult to achieve as these chromophores have a pronounced tendency to aggregate. Herein we show that oligoprolines, which do not self-assemble on their own, control the self-assembly of quaterthiophenes. Spectroscopic, microscopic, and diffraction studies with quaterthiophene-oligoproline conjugates revealed the formation of mono- or double-layered sheets or, alternatively, helically twisted ribbons - depending on the length of the oligoproline. The dimensions of the nanoscopic objects, which extend into the micrometer regime, correlate with the molecular dimensions of the quaterthiophene-oligoproline building blocks.
Identifiants
pubmed: 31191896
doi: 10.1039/c8sc05742g
pii: c8sc05742g
pmc: PMC6540903
doi:
Types de publication
Journal Article
Langues
eng
Pagination
5391-5396Références
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