Strong, Self-Healable, and Recyclable Visible-Light-Responsive Hydrogel Actuators.

Clicks: 311
ID: 100040
2020
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Ranked #59 of 192 articles by views in angewandte chemie (international ed in english)

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Abstract
The most pressing challenges for light-driven hydrogel actuators include reliance on UV light, slow response, poor mechanical properties, and limited functionalities. Now, a supramolecular design strategy is used to address these issues. Key is the use of a benzylimine-functionalized anthracene group, which red-shifts the absorption into the visible region and also stabilizes the supramolecular network through π-π interactions. Acid-ether hydrogen bonds are incorporated for energy dissipation under mechanical deformation and maintaining hydrophilicity of the network. This double-crosslinked supramolecular hydrogel developed via a simple synthesis exhibits a unique combination of high strength, rapid self-healing, and fast visible-light-driven shape morphing both in the wet and dry state. As all of the interactions are dynamic, the design enables the structures to be recycled and reprogrammed into different 3D objects.
Reference Key
jiang2020strongangewandte Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Jiang, Zhen;Tan, Ming Li;Taheri, Mahdiar;Yan, Qiao;Tsuzuki, Takuya;Gardiner, Michael G;Diggle, Broden;Connal, Luke A;
Journal angewandte chemie (international ed in english)
Year 2020
DOI
10.1002/anie.201916058
URL
Keywords
self-healing actuators anthracene photoresponsive hydrogels

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