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Related Experiment Video

Updated: Jun 8, 2026

Synthesis of Immunotargeted Magneto-plasmonic Nanoclusters
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Published on: August 22, 2014

Fano-like interference in self-assembled plasmonic quadrumer clusters.

Jonathan A Fan1, Kui Bao, Chihhui Wu

  • 1School of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, Massachusetts 02138, United States.

Nano Letters
|October 7, 2010
PubMed
Summary

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Metallic nanoparticle clusters exhibit Fano-like interference, a phenomenon highly sensitive to light polarization. This research highlights the potential of self-assembled colloidal systems for advanced plasmonic nanostructure engineering.

Area of Science:

  • Plasmonics
  • Nanotechnology
  • Materials Science

Background:

  • Assemblies of strongly interacting metallic nanoparticles are fundamental to plasmonic nanostructure engineering.
  • Plasmonic nanostructures enable unique light-matter interactions with applications in sensing, imaging, and catalysis.

Purpose of the Study:

  • To demonstrate that specific self-assembled nanoparticle clusters can support strong Fano-like interference.
  • To investigate the sensitivity of this interference to the polarization of incident light.

Main Methods:

  • Fabrication of plasmonic nanostructures through self-assembly of four identical spherical metallic nanoparticles into a close-packed asymmetric quadrumer.
  • Optical characterization of the nanostructures to observe interference effects.

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A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates
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Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation
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Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Published on: September 27, 2011

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Last Updated: Jun 8, 2026

Synthesis of Immunotargeted Magneto-plasmonic Nanoclusters
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Synthesis of Immunotargeted Magneto-plasmonic Nanoclusters

Published on: August 22, 2014

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates
08:09

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

Published on: May 9, 2014

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation
09:29

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

Published on: September 27, 2011

Main Results:

  • The self-assembled asymmetric quadrumer exhibits strong Fano-like interference.
  • This interference is highly sensitive to the polarization of the incident electric field due to orientation-dependent interparticle coupling.

Conclusions:

  • Careful design of self-assembled colloidal systems can create novel plasmonic modes.
  • This work enables new interference effects in plasmonic systems, paving the way for advanced nanophotonic devices.