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Fluorescent Liquid Metal As a Transformable Biomimetic Chameleon.

Shuting Liang¹, Wei Rao², Kai Song²

¹Department of Biomedical Engineering, School of Medicine, Tsinghua University , Beijing 100084, China.

ACS Applied Materials & Interfaces

|December 9, 2017

Summary

Researchers developed colorful liquid metal (LM) marbles that change appearance and shape with electric stimuli. These transformable, multi-colored LM materials offer new possibilities for smart materials and robotics.

Keywords:

biomimetic robot colorful marble discoloration fluorescent liquid metal soft machine

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Area of Science:

Materials Science
Robotics
Nanotechnology

Background:

Liquid metal (LM) is crucial for emerging technologies but typically limited to a single appearance.
Existing LM materials lack dynamic visual and structural adaptability.

Purpose of the Study:

To develop novel, colorful, and transformable liquid metal (LM) marbles.
To enable LM materials with controllable appearance, shape-shifting, and particle release capabilities.

Main Methods:

Fabrication of LM marbles by encasing LM droplets with fluorescent nanoparticles.
Manipulation of LM marbles using external electric stimuli for shape transformation and color changes.
Investigation of the mechanism for electric-stimulus-triggered nano/microparticle release.

Main Results:

Successful creation of colorful LM marbles with controllable, dynamic appearances.
Demonstration of LM marbles splitting, merging, and changing colors in response to electric fields.
Clarification of the mechanism behind electric-stimulus-induced particle release from LM.

Conclusions:

The developed fluorescent LM marbles represent a novel class of transformable, multi-functional smart materials.
These materials offer significant potential for advanced applications in robotics, displays, and responsive systems.
The ability to control LM appearance and behavior via electric stimuli opens new avenues in material design.