Issue 33, 2019

Self-reporting visible light-induced polymer chain collapse

Abstract

We introduce a facile photoinduced self-reporting crosslinking methodology for the compaction of polymer chains in highly diluted solution. The chain compaction, which is readily monitored via the change in optical properties due to the release of the chromophore, is achieved via mild visible light irradiation (430–435 nm) of statistically distributed pyrene-substituted oxime ester derivatives. In-depth characterization via size exclusion chromatography (SEC), UV/Vis and fluorescence spectroscopy, as well as NMR measurements including diffusion ordered spectroscopy (DOSY), reveals an efficient system, which may serve as a blueprint for reading out the state of SCNPs in more complex scenarios.

Graphical abstract: Self-reporting visible light-induced polymer chain collapse

Supplementary files

Article information

Article type
Communication
Submitted
07 Jun 2019
Accepted
15 Jul 2019
First published
15 Jul 2019
This article is Open Access
Creative Commons BY-NC license

Polym. Chem., 2019,10, 4513-4518

Self-reporting visible light-induced polymer chain collapse

J. T. Offenloch, E. Blasco, S. Bastian, C. Barner-Kowollik and H. Mutlu, Polym. Chem., 2019, 10, 4513 DOI: 10.1039/C9PY00834A

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