Stimuli‐responsive supramolecular polymers from amphiphilic phosphodiester‐linked azobenzene trimers

Häner, Robert; Vybornyi, Oleh; Liu, Shi-Xia (2021). Stimuli‐responsive supramolecular polymers from amphiphilic phosphodiester‐linked azobenzene trimers. Angewandte Chemie (International ed.), 60(49), pp. 25872-25877. Wiley-VCH 10.1002/anie.202108745

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An amphiphilic phosphodiester-linked azobenzene trimer has been exploited in the development of stimuli-responsive water-soluble supramolecular polymers. It can reversibly undergo thermal and photoisomerization between Z and E isomers in EtOH solution. Its self-assembly properties in aqueous medium have been investigated by spectroscopic and microscopic techniques, demonstrating that E - and Z -azobenzene trimers form supramolecular nanosheets and toroidal nanostructures, respectively. By virtue of the E /Z photoisomerization of azobenzene units of the trimer, these two different supramolecular morphologies can be switched upon photoirradiation. This finding paves the way towards stimuli-responsive water-soluble supramolecular polymers which hold great promise in the construction of smart functional materials and also in biological applications.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Department of Chemistry, Biochemistry and Pharmaceutical Sciences (DCBP)

UniBE Contributor:

Häner, Robert; Vybornyi, Oleh and Liu, Shi-Xia

Subjects:

500 Science > 570 Life sciences; biology
500 Science > 540 Chemistry

ISSN:

1433-7851

Publisher:

Wiley-VCH

Funders:

[42] Schweizerischer Nationalfonds

Language:

English

Submitter:

Robert Häner

Date Deposited:

01 Oct 2021 16:32

Last Modified:

23 Sep 2022 00:25

Publisher DOI:

10.1002/anie.202108745

PubMed ID:

34529324

BORIS DOI:

10.48350/159542

URI:

https://boris.unibe.ch/id/eprint/159542

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