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Related Experiment Video

Updated: Jun 28, 2026

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
09:12

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

Published on: May 28, 2016

Self-organized silver nanoparticles for three-dimensional plasmonic crystals.

Andrea R Tao1, Daniel P Ceperley, Prasert Sinsermsuksakul

  • 1Department of Chemistry, UC Berkeley, Berkeley, California 94720, USA.

Nano Letters
|October 22, 2008
PubMed
Summary
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Researchers demonstrate self-assembled silver nanoparticle crystals that act as tunable, bottom-up plasmonic materials. These 3D supercrystals offer a new way to create optical elements for plasmonic circuits and metamaterials.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Optics

Background:

  • Metal nanostructures supporting surface plasmons are crucial for plasmonic circuits and metamaterials.
  • Developing scalable fabrication methods for ordered nanostructures remains a challenge.

Purpose of the Study:

  • To demonstrate the spontaneous self-assembly of shaped silver nanoparticles into 3D plasmonic crystals.
  • To investigate the optical properties and tunability of these self-assembled structures.

Main Methods:

  • Utilizing exceptional colloid monodispersity for spontaneous self-assembly of silver nanoparticles.
  • Fabricating 3D plasmonic crystals through a bottom-up approach without lithography.

Main Results:

  • Achieved self-assembly of silver nanoparticles into 3D plasmonic crystals with extensive long-range order.

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Last Updated: Jun 28, 2026

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
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Published on: May 28, 2016

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation
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  • Observed a frequency-selective optical response in the visible wavelengths.
  • Demonstrated tunability of optical passbands by adjusting the particle volume fraction.

    • Conclusions:

    • The self-assembled metallic supercrystals represent a novel paradigm for plasmonic material fabrication.
    • These structures offer a functional, tunable, bottom-up optical element producible on a massively parallel scale.
    • This approach bypasses the need for traditional lithography in creating complex plasmonic materials.