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Issue 20, 2019
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Oligoprolines guide the self-assembly of quaterthiophenes

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Abstract

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.

Graphical abstract: Oligoprolines guide the self-assembly of quaterthiophenes

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Publication details

The article was received on 22 Dec 2018, accepted on 25 Apr 2019 and first published on 02 May 2019


Article type: Edge Article
DOI: 10.1039/C8SC05742G
Chem. Sci., 2019,10, 5391-5396
  • Open access: Creative Commons BY-NC license
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    Oligoprolines guide the self-assembly of quaterthiophenes

    N. A. K. Ochs, U. Lewandowska, W. Zajaczkowski, S. Corra, S. Reger, A. Herdlitschka, S. Schmid, W. Pisula, K. Müllen, P. Bäuerle and H. Wennemers, Chem. Sci., 2019, 10, 5391
    DOI: 10.1039/C8SC05742G

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