Related Experiment Video
Updated: Feb 15, 2026
09:12
Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
Published on: May 28, 2016
11.7K
Plasmonic- and dielectric-based structural coloring: from fundamentals to practical applications
Taejun Lee1, Jaehyuck Jang2, Heonyeong Jeong1
11Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673 Republic of Korea.
Nano Convergence
|January 30, 2018
Summary
Structural coloring, using light interference with microstructures, offers a new printing paradigm. Plasmonic color filters, based on light-metal interactions, provide tunable and reconfigurable dynamic coloring solutions.
Area of Science:
- Optics and Photonics
- Materials Science
- Nanotechnology
Background:
- Structural coloring relies on microstructures interfering with visible light, offering a novel approach to color printing.
- Plasmonic color, an emergent property of light-metal interactions, surpasses diffraction limits and offers long-lasting color.
- Existing plasmonic color filters are categorized by design (hole, rod, MIM, grating) and Mie resonance structures.
Purpose of the Study:
- To review and categorize plasmonic color filters based on their designs and underlying principles.
- To explore the merits and demerits of various plasmonic color filter designs.
- To introduce and discuss tunable and reconfigurable color filters for dynamic structural coloring applications.
Main Methods:
- Categorization of plasmonic color filters by design: hole, rod, metal-insulator-metal (MIM), and grating.
- Analysis of structures supported by Mie resonance.
- Classification of dynamic coloring approaches: liquid crystal, chemical transition, and mechanical deformation.
Main Results:
- Plasmonic color filters offer unique properties like surpassing the diffraction limit and achieving near-unlimited lifetime.
- Different filter designs (hole, rod, MIM, grating) and Mie resonance structures exhibit distinct principles, merits, and demerits.
- Tunable and reconfigurable plasmonic color filters enable dynamic coloring through liquid crystal, chemical, or mechanical methods.
Conclusions:
- Plasmonic color filters represent a significant advancement in structural coloring and color printing.
- Tunable and reconfigurable filters pave the way for dynamic, on-demand structural coloring.
- Scalable fabrication methods like nanoimprinting, self-assembly, and laser-induced processes are crucial for real-world applications of structural coloring.
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