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Fabrication of a β-cyclodextrin-based self-assembly containing a redox-responsive ferrocene

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Abstract

The current research involves fabrication of a redox-responsive self-assembly system based on a ferrocene (Fc)-containing β-cyclodextrin (β-CD) derivative (βCD-EG-Fc). βCD-EG-Fc was synthesized, and its redox-sensitive self-assembly behavior was investigated using various techniques. On the basis of the intermolecular host–guest recognition between the β-CD group and the Fc moiety, βCD-EG-Fc primarily formed network-like structures and then vesicles following aging for a specified time. The formation of these structures was primarily driven by hydrogen bonding. Conversely, the oxidized molecules (βCD-EG-Fc+) self-assembled into cationic vesicles with the absence of host–guest complexation. Upon controlling the oxidation and reduction of Fc/Fc+, reversible aggregate transformation was achieved. The current study resulted in a deeper understanding of β-CD/Fc redox-responsive self-assemblies and contributed to the development of a single-component host–guest inclusion model.

Graphical abstract: Fabrication of a β-cyclodextrin-based self-assembly containing a redox-responsive ferrocene

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Publication details

The article was received on 15 Oct 2019, accepted on 14 Nov 2019 and first published on 14 Nov 2019


Article type: Paper
DOI: 10.1039/C9SM02049G
Soft Matter, 2020, Advance Article

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    Fabrication of a β-cyclodextrin-based self-assembly containing a redox-responsive ferrocene

    B. Jiang, H. Guo, L. Zhao, B. Xu, C. Wang, C. Liu and H. Fan, Soft Matter, 2020, Advance Article , DOI: 10.1039/C9SM02049G

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