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Light-responsive azo-containing organogels

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While azo compounds are widely employed as radical initiators, they have rarely been used as stimuli-responsive motifs in macromolecular constructs. In this study, an azo-based cross-linker was prepared and reacted with poly(vinyl alcohol) to afford a series of stimuli-responsive organogels. Irradiation of these materials with UV light causes de-cross-linking and triggers a solid-to-liquid phase transition. Model adhesives with de-bonding-on-demand capability based on this design were explored.

Graphical abstract: Light-responsive azo-containing organogels

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The article was received on 24 Mar 2017, accepted on 16 May 2017 and first published on 18 May 2017

Article type: Communication
DOI: 10.1039/C7SM00601B
Citation: Soft Matter, 2017, Advance Article
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    Light-responsive azo-containing organogels

    M. A. Ayer, S. Schrettl, S. Balog, Y. C. Simon and C. Weder, Soft Matter, 2017, Advance Article , DOI: 10.1039/C7SM00601B

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