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Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display

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Structurally Colored Films with Mechanochromic Shifts via Holographic Recording.

Fanglin Guo¹, Shuhong Xiang¹, Wenlong Jia²

¹College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China.

ACS Applied Materials & Interfaces

|May 13, 2026

Summary

Researchers developed a simple method using holographic photopolymerization to create mechanically responsive photonic materials. These elastomers change color with stress, offering potential for advanced sensors and anticounterfeiting technologies.

Keywords:

holographic photopolymers mechanochromic materials photopolymerization structural colors

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Area of Science:

Materials Science
Optics
Polymer Chemistry

Background:

Structurally colored materials change color with mechanical stimuli, useful for sensors and artificial skin.
Conventional methods like nanoparticle self-assembly are slow and can lead to uneven color.

Purpose of the Study:

To develop a simple, scalable method for creating mechanochromic (color-changing with mechanical force) materials.
To fabricate monolithic, structurally colored elastomers with high reflectance and elasticity.

Main Methods:

Utilized holographic photopolymerization to create the elastomers.
Optimized matrix formulation, monomer/cross-linker concentrations, film thickness, and exposure dose.
Investigated material properties including reflectance and mechanochromic response.

Main Results:

Achieved structurally colored elastomers with over 90% reflectance.
Demonstrated a reversible color shift of approximately 70 nm under 20% tensile strain.
Fabricated materials exhibit high elasticity and tunable optical properties.

Conclusions:

Holographic photopolymerization provides a practical route to scalable mechanochromic materials.
These elastomers are suitable for applications in mechanical sensing and anticounterfeiting.
The developed materials offer a promising alternative to conventional structurally colored materials.