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Updated: Jun 10, 2026

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

Plasmonic nanoshell synthesis in microfluidic composite foams.

Suhanya Duraiswamy¹, Saif A Khan

¹Department of Chemical and Biomolecular Engineering, 4 Engineering Drive 4, E5-02-28, Singapore.

|August 25, 2010

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This study introduces a continuous flow microfluidic method for scalable synthesis of gold nanomaterials. This automated process overcomes limitations of traditional batch methods for plasmonic applications.

Area of Science:

Nanotechnology
Materials Science
Chemical Engineering

Background:

Traditional colloidal chemistry methods for metallic nanoparticle synthesis face challenges in scalability and automation due to coupled reaction kinetics.
Emerging nanotechnologies require robust, scalable, and automated manufacturing processes for nanoparticle production.

Purpose of the Study:

To develop the first continuous flow process for synthesizing gold nanoshells and nanoislands on silica surfaces.
To enable scalable, automated, and digital production of plasmonic nanomaterials.

Main Methods:

Assembly of an ordered, flowing composite foam lattice within a microfluidic device.
Utilizing alternating aqueous reagent drops and gas bubbles within the foam structure for synthesis.
Employing microfluidic foam generation for precise reagent control and compartmentalized nanoparticle growth.

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Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

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Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles

Published on: March 2, 2016

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Last Updated: Jun 10, 2026

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

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

Published on: September 2, 2017

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles

Published on: March 2, 2016

Main Results:

Successful synthesis of thin gold nanoshells and nanoislands on colloidal silica.
Demonstration of a general method for aqueous colloidal synthesis in a continuous flow system.
Establishment of a scalable and automated production process for plasmonic nanomaterials.

Conclusions:

Microfluidic foam generation offers precise control for nanoparticle synthesis.
The developed continuous flow process is scalable, automated, and suitable for digital manufacturing.
This method provides a viable pathway for the industrial production of plasmonic nanomaterials.