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Related Experiment Video

Updated: Jun 13, 2026

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation
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Actively tuned plasmons on elastomerically driven Au nanoparticle dimers.

Fumin Huang1, Jeremy J Baumberg

  • 1Nanophotonics Centre, Cavendish Laboratory, University of Cambridge, Cambridge, U.K. fh281@cam.ac.uk

Nano Letters
|April 23, 2010
PubMed
Summary
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Researchers developed a new method to tune surface plasmons using stretchable films and gold nanoparticles. This technique allows for reversible nanoscale geometry changes, enabling new applications in optics and sensing.

Area of Science:

  • Nanotechnology
  • Materials Science
  • Optics

Background:

  • Surface plasmons are collective oscillations of electrons on metal surfaces.
  • Controlling plasmonic properties is crucial for applications in sensing and optics.
  • Existing methods for tuning plasmons often lack reversibility or scalability.

Purpose of the Study:

  • To demonstrate a novel method for actively tuning surface plasmons.
  • To explore the effects of reversible nanoscale geometry modification on plasmonic behavior.
  • To investigate the potential applications of this tunable plasmonic system.

Main Methods:

  • Fabrication of plasmonic nanostructures (100 nm Au nanoparticle dimers) on stretchable elastomeric films.
  • Active tuning of nanoparticle spacing via mechanical stretching.

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

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Published on: September 27, 2011

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

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Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

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  • Spectroscopic analysis of the resulting plasmonic responses.

    • Main Results:

    • Achieved reversible modification of metal geometry on the nanometer scale.
    • Observed distinct spectral tuning of surface plasmons in 100 nm nanoparticle dimers compared to smaller nanoparticles.
    • Validated a revised interpretation of existing plasmonic models for larger nanoparticles.

    Conclusions:

    • Stretchable films provide a robust platform for actively tuning surface plasmons.
    • This method offers a more adaptable approach than lithography for studying localized plasmon physics.
    • Potential applications include enhanced surface-enhanced luminescence and Raman scattering (SERS).