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Updated: Apr 27, 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

Reconfigurable nanoantennas using electron-beam manipulation.

Brian J Roxworthy¹, Abdul M Bhuiya¹, Xin Yu²

¹1] Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA [2].

Nature Communications

|July 15, 2014

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This summary is machine-generated.

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Researchers developed reconfigurable plasmonic nanoantennas on pillars. This novel method uses gradient forces to tune nanoantenna gap sizes, enabling advanced photonic applications.

Area of Science:

Optics and Photonics
Materials Science
Nanotechnology

Background:

Plasmonic nanoantennas confine and enhance electric fields, offering high sensitivity for sensor applications.
Elevated nanoantenna geometries on pillars introduce mechanical properties as a tunable parameter.

Purpose of the Study:

To demonstrate pillar-bowtie nanoantenna arrays that couple mechanical and electromagnetic properties.
To explore the use of gradient forces for tuning nanoantenna geometry and enhancing sensor applications.

Main Methods:

Fabrication of pillar-bowtie nanoantenna arrays on optically transparent silicon dioxide (SiO2).
Utilizing a standard scanning electron microscope (SEM) to controllably tune nanoantenna gap sizes via gradient forces.

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Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials

Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials

Published on: March 23, 2017

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

Related Experiment Videos

Last Updated: Apr 27, 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 Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials

Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials

Published on: March 23, 2017

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

Main Results:

Achieved controllable tuning of individual nanoantenna gap sizes down to 5 nm.
Demonstrated a tuning capability approximately four times smaller than conventional electron-beam lithography.
Coupled intrinsic mechanical and electromagnetic degrees of freedom in the nanoantenna system.

Conclusions:

Pillar-bowtie nanoantennas offer a novel platform for reconfigurable nanophotonics.
SEM-based tuning provides unprecedented control over nanoantenna geometry for enhanced optical applications.
This approach opens new possibilities for advanced photonic devices and sensors.