Boosting the photo-switchability of double-responsive water-soluble polymers by incorporating arylazopyrazole dyes

René Steinbrecher; Peiran Zhang; Christine M. Papadakis; Peter Müller-Buschbaum; Andreas Taubert; André Laschewsky

doi:10.1039/D3CC06178G

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Boosting the photo-switchability of double-responsive water-soluble polymers by incorporating arylazopyrazole dyes†

René Steinbrecher,

^a Peiran Zhang,

^b Christine M. Papadakis,

^b Peter Müller-Buschbaum,

^bc Andreas Taubert

^a and André Laschewsky

*^ad

Author affiliations

* Corresponding authors

^a Institute of Chemistry, University of Potsdam, Potsdam-Golm, Germany
E-mail: laschews@uni-potsdam.de

^b Physics Department, TUM School of Natural Sciences, Technical University of Munich, Garching, Germany

^c Heinz Maier-Leibnitz Zentrum (MLZ), Technical University of Munich, Garching, Germany

^d Fraunhofer Institute for Applied Polymer Research IAP, Potsdam-Golm, Germany

Abstract

Dual thermo- and light-responsive water-soluble copolymers that respond to exclusively non-invasive triggers are obtained by functionalising poly(N,N-dimethylacrylamide) with arylazopyrazole side chains. The light-induced E–Z (trans–Z) photo isomerisation of these dyes provides an exceptionally effective photo-switch, which can reversibly shift the LCST-type phase transition temperatures by almost 25 K.

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Article information

DOI: https://doi.org/10.1039/D3CC06178G
Article type: Communication
Submitted: 19 Dec 2023
Accepted: 12 Jan 2024
First published: 22 Jan 2024
This article is Open Access

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Chem. Commun., 2024,60, 1747-1750

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Boosting the photo-switchability of double-responsive water-soluble polymers by incorporating arylazopyrazole dyes

R. Steinbrecher, P. Zhang, C. M. Papadakis, P. Müller-Buschbaum, A. Taubert and A. Laschewsky, Chem. Commun., 2024, 60, 1747 DOI: 10.1039/D3CC06178G

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Chemical Communications

Boosting the photo-switchability of double-responsive water-soluble polymers by incorporating arylazopyrazole dyes†

Abstract

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Boosting the photo-switchability of double-responsive water-soluble polymers by incorporating arylazopyrazole dyes

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