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Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators

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Published on: April 25, 2020

Light-Powered Self-Healable Metallosupramolecular Soft Actuators.

Etienne Borré^1,2, Jean-François Stumbé³, Stéphane Bellemin-Laponnaz^4,5

¹Laboratoire de Chimie et des Biomatériaux Supramoléculaires, Institut de Science et d'Ingénierie Supramoléculaires (ISIS), Université de Strasbourg, CNRS UMR 7006, 8 allée Gaspard Monge, 67083, Strasbourg, France.

Angewandte Chemie (International Ed. in English)

|December 19, 2015

Summary

Researchers developed advanced metallopolymers that form self-healing organogels. These materials exhibit light-triggered actuation and luminescence, offering new possibilities for smart functional materials.

Keywords:

actuators photoswitches polymers responsive materials supramolecular chemistry

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Area of Science:

Supramolecular Chemistry
Materials Science
Polymer Chemistry

Background:

Supramolecular functional materials offer advantages over covalent materials due to their responsiveness to external stimuli.
Developing soft actuators with spatiotemporal control, self-repair, and directional motion capabilities is a significant research challenge.

Purpose of the Study:

To synthesize and characterize novel metallopolymers for creating multiresponsive organogels.
To investigate the light-triggered actuation, luminescence, and self-healing properties of these supramolecular materials.

Main Methods:

Synthesis of metallopolymers utilizing zinc(II)-terpyridine coordination nodes.
Incorporation of photoisomerizable diazobenzene units and luminescent phenylene-ethynylene moieties.
Characterization of organogel formation, mechanical actuation, luminescence, and self-healing behavior.

Main Results:

The synthesized metallopolymers effectively act as potent gelating agents at low concentrations.
The resulting organogels exhibit multiresponsive properties, including light-triggered mechanical actuation.
The dynamic coordinating bonds within the supramolecular structure enable significant self-healing capabilities.
The materials display tunable luminescent properties.

Conclusions:

The developed metallopolymers are promising building blocks for advanced supramolecular functional materials.
These materials demonstrate potential for applications in soft robotics, sensors, and self-healing technologies.
The combination of photoresponsiveness, luminescence, and self-healing in a single system represents a significant advancement in materials science.