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Issue 33, 2018
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Supramolecular helical nanostructures from self-assembly of coil–rod–coil amphiphilic molecules incorporating the dianthranide unit

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Abstract

Coil–rod–coil amphipathic oligomers composed of a rigid dianthranide unit and a hydrophilic branched oligoether as the coil segment were synthesized. These amphiphilic molecules self-assemble into clew-like aggregates composed of fibres or helical nanofibers in aqueous solution. Subsequently, supramolecular polymers were produced from the above objects through charge-transfer interactions by adding 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane (4F-TCNQ). Interestingly, temperature-sensitive supramolecular chirality was induced by lateral methyl units located at the interface of the rigid and flexible segments. However, upon addition of the electron-acceptor molecule, 4F-TCNQ, strong donor–acceptor interactions restrict any change in supramolecular chirality with temperature.

Graphical abstract: Supramolecular helical nanostructures from self-assembly of coil–rod–coil amphiphilic molecules incorporating the dianthranide unit

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Publication details

The article was received on 13 Jun 2018, accepted on 13 Jul 2018 and first published on 13 Jul 2018


Article type: Paper
DOI: 10.1039/C8SM01217B
Citation: Soft Matter, 2018,14, 6822-6827
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    Supramolecular helical nanostructures from self-assembly of coil–rod–coil amphiphilic molecules incorporating the dianthranide unit

    S. Yu, R. Sun, T. Chen and L. Y. Jin, Soft Matter, 2018, 14, 6822
    DOI: 10.1039/C8SM01217B

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