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Updated: Sep 23, 2025

Fabrication Process of Silicone-based Dielectric Elastomer Actuators

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Published on: February 1, 2016

Voltage-tunable elastomer composites that use shape instabilities for rapid structural color changes.

Ming Xiao^1,2, Jie Mao^1,3, Matthias Kollosche¹

¹Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA. vnm@seas.harvard.edu.

Materials Horizons

|May 17, 2022

Summary

This summary is machine-generated.

Researchers developed a new color-changing material using photonic glasses and actuators. This material offers fast, stable, and wide-angle color switching for advanced displays and sensors.

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Area of Science:

Materials Science
Optics
Nanotechnology

Background:

Structurally colored materials offer tunable colors for sensors and displays but suffer from angular dependence and instability.
Photonic films often exhibit inhomogeneous colors due to out-of-plane deformation and shape instability.

Purpose of the Study:

To overcome limitations of existing structurally colored materials, such as angular dependence, slow response, and instability.
To develop a novel color-changing platform with enhanced stability and rapid response for advanced applications.

Main Methods:

Combined structurally colored photonic glasses with dielectric elastomer actuators.
Utilized external voltage signals to control and tune color changes.
Investigated the material's response to voltage-triggered instabilities like buckling and wrinkling.

Main Results:

Achieved rapid color switching (less than 0.1 s) using voltage signals.
Demonstrated low angular dependence, ensuring homogeneous colors even on curved surfaces.
Presented a proof-of-concept pixelated display with independently and rapidly controlled segments.

Conclusions:

The developed platform offers instability tolerance and wide-angle color homogeneity.
This technology is suitable for next-generation soft, curved displays, adaptive camouflage, and multifunctional sensors.