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Internal nanocavity based high-resolution and stable structural colours fabricated by laser printing
Optics Express
|March 17, 2021
Summary
Researchers developed a facile, low-cost method for creating high-resolution, stable bioinspired structural colors using nanosecond laser printing. This technique produces vibrant, durable colors for various applications, overcoming previous fabrication challenges.
Area of Science:
- Photonics and Materials Science
- Nanotechnology and Optics
Background:
- Bioinspired structural colors are crucial for advanced photonics, displays, and labeling.
- Achieving high-resolution and stable coloration cost-effectively remains a significant challenge in the field.
Purpose of the Study:
- To develop a facile and low-cost method for fabricating high-resolution and stable bioinspired structural colors.
- To demonstrate the creation of arbitrary colorful patterns with submicron accuracy in a single step.
Main Methods:
- Utilized direct nanosecond laser printing in atmospheric conditions.
- Fabricated a multilayer architecture with an internal nanocavity as the structural color unit.
Main Results:
- Achieved arbitrary colorful patterns with submicron accuracy in a single step.
- The resulting structural colors are antipollutive, antioxidative, and easy to clean.
- Demonstrated a convenient and low-cost fabrication approach.
Conclusions:
- Direct nanosecond laser printing offers a promising route for producing advanced bioinspired structural colors.
- The developed method enables the creation of durable, high-performance colors for diverse applications.
- This technique addresses key challenges in resolution, stability, and cost-effective fabrication.
