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Issue 46, 2018
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A NIR-responsive azobenzene-based supramolecular hydrogel using upconverting nanoparticles

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Abstract

To circumvent the need for direct UV excitation in a supramolecular hydrogel composed of an azobenzene-modified poly(acrylic acid) copolymer and deoxycholate-β-cyclodextrin as a crosslinker, we modified this system for use with LiYF4:Tm3+/Yb3+ upconverting nanoparticles, which emit UV light upon NIR excitation. A complete gel–sol transition was observed in 60 minutes upon 980 nm irradiation. No change was observed under similar conditions of a control sample over the same period of time.

Graphical abstract: A NIR-responsive azobenzene-based supramolecular hydrogel using upconverting nanoparticles

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Publication details

The article was received on 18 Apr 2018, accepted on 27 Apr 2018 and first published on 30 Apr 2018


Article type: Communication
DOI: 10.1039/C8CC03101K
Chem. Commun., 2018,54, 5847-5850

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    A NIR-responsive azobenzene-based supramolecular hydrogel using upconverting nanoparticles

    G. A. Mandl, P. A. Rojas-Gutierrez and J. A. Capobianco, Chem. Commun., 2018, 54, 5847
    DOI: 10.1039/C8CC03101K

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