Related Experiment Video
Updated: Aug 18, 2025
08:48
Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
Published on: September 25, 2020
5.8K
Mie Resonances Enabled Subtractive Structural Colors with Low-Index-Contrast Silicon Metasurfaces
Xiao Shang1,2, Jiebin Niu1, Chong Wang1,2
1State Key Lab of Fabrication Technologies for Integrated Circuits, Institute of Microelectronics, Chinese Academy of Sciences, No. 3 West Road, Beitucheng, Beijing 100029, China.
ACS Applied Materials & Interfaces
|December 8, 2022
Summary
Researchers developed vivid structural colors using silicon nanopillars on silicon substrates. This breakthrough enhances optical properties for integrated optoelectronics and display applications.
Area of Science:
- Nanophotonics
- Materials Science
Background:
- All-dielectric structural colors offer potential for displays and optical data storage.
- Achieving vivid colors with low-aspect-ratio silicon nanostructures on silicon substrates is challenging due to low index contrast hindering Mie resonances.
Purpose of the Study:
- To demonstrate a method for creating vivid bright field structural colors using silicon nanopillars on silicon substrates.
- To overcome the limitations of low-index-contrast substrates for achieving strong Mie resonances.
Main Methods:
- Fabrication of silicon nanopillar arrays directly on a silicon substrate.
- Utilizing Mie resonances in silicon nanostructures to enhance light absorption and generate structural colors.
Main Results:
- Achieved complementary structural colors across the visible spectrum due to enhanced absorption from Mie resonances.
- Demonstrated that color saturation increases with nanopillar height.
- Generated blue and black colors using trapezoid nanopillar arrays due to specific wavelength absorption.
Conclusions:
- The developed strategy enables vivid structural colors on silicon substrates, crucial for integrated optoelectronics.
- This approach facilitates nanoscale color printing, imaging, and display technologies.
Related Concept Videos
02:16Resonance and Hybrid Structures
17.3K
According to the theory of resonance, if two or more Lewis structures with the same arrangement of atoms can be written for a molecule, ion, or radical, the actual distribution of electrons is an average of that shown by the various Lewis structures.
Resonance Structures and Resonance Hybrids
The Lewis structure of a nitrite anion (NO2−) may actually be drawn in two different ways, distinguished by the locations of the N–O and N=O bonds.
Resonance Structures and Resonance Hybrids
The Lewis structure of a nitrite anion (NO2−) may actually be drawn in two different ways, distinguished by the locations of the N–O and N=O bonds.
17.3K
01:27Biasing of Metal-Semiconductor Junctions
308
Biasing metal-semiconductor junctions involves applying a voltage across the junction. Specifically, the metal is connected to a voltage source, while the semiconductor is grounded. This technique is essential for controlling the direction and magnitude of current flow in electronic devices, including diodes, transistors, and photovoltaic cells.
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...
308
01:23Parallel Resonance
251
The parallel RLC circuit is an arrangement where the resistor (R), inductor (L), and capacitor (C) are all connected to the same nodes and, as a result, share the same voltage across them. The parallel RLC circuit is analyzed in terms of admittance (Y), which reflects the ease with which current can flow. The admittance is given by:
251
02:52Resonance
54.7K
The Lewis structure of a nitrite anion (NO2−) may actually be drawn in two different ways, distinguished by the locations of the N-O and N=O bonds.
54.7K
01:12Double Resonance Techniques: Overview
262
Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...
Spin decoupling is usually achieved by...
262
01:17Series Resonance
234
The RLC circuit impedance is defined as the ratio of the supply voltage to the circuit current. Resonance in such a circuit occurs when the imaginary part of this impedance equals zero. This specific condition means that the inductive reactance is exactly equal to the capacitive reactance. The frequency at which this happens is known as the resonant frequency. Mathematically, the resonant frequency is inversely proportional to the square root of the product of the inductance (L) and capacitance...
234