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Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

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Plasmonic reflection color filters with metallic random nanostructures.

Q J Wu¹, H Jia¹, X L Hu¹

¹State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou, 310027, People's Republic of China.

|January 6, 2017

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Researchers created advanced reflective color filters using nanodisks and nanoholes. These filters offer high resolution, angle-independence, and scalable fabrication for industrial applications.

Area of Science:

Materials Science
Nanotechnology
Optics

Background:

Traditional color filters face limitations in resolution and scalability.
Industrial applications demand high-performance, angle-independent color filters.

Purpose of the Study:

To develop novel reflective color filters with enhanced properties.
To investigate the underlying optical mechanisms governing the filter performance.

Main Methods:

Fabrication of nanodisk and nanohole arrays using hydrogen silsesquioxane and silver films on silicon.
Systematic analysis of localized surface plasmon polariton coupling and electric-field distribution.
Experimental validation against simulation results.

Main Results:

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Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Published on: September 27, 2011

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Last Updated: Mar 9, 2026

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

Published on: September 2, 2017

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

Published on: May 28, 2016

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Published on: September 27, 2011

Achieved high-resolution, angle-independent reflective color filters.
Demonstrated easily up-scalable fabrication processes.
Identified tunable color generation by varying nanodisk diameter.

Conclusions:

The developed nanostructured filters meet key industrial requirements.
Localized surface plasmon polariton coupling is the key mechanism for color tuning.
Tunable colors across the visible spectrum are achievable, broadening application potential.