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Updated: May 17, 2026

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
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Published on: January 3, 2016

Multi-scale Plasmonic Nanoparticles and the Inverse Problem.

Teri W Odom1, Eun-Ah You, Christina M Sweeney

  • 1Department of Chemistry, Northwestern University, Evanston, IL, 60208, United States ; Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, United States.

The Journal of Physical Chemistry Letters
|October 16, 2012
PubMed
Summary
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Multi-scale plasmonic structures offer a new way to control light interactions. These engineered nanoparticles, with features from 1 nm to over 1000 nm, enable precise tuning of optical properties for advanced applications.

Area of Science:

  • Nanotechnology
  • Plasmonics
  • Optical Physics

Background:

  • Plasmonic structures exhibit unique optical properties based on their size and shape.
  • Controlling plasmonic resonances across multiple length scales is challenging.
  • The inverse problem in plasmonics aims to design structures with desired optical responses.

Purpose of the Study:

  • To present multi-scale plasmonic structures as a method for solving the plasmonics inverse problem.
  • To demonstrate the ability to engineer specific optical properties by controlling multiple length scales.
  • To highlight novel applications enabled by these engineered structures.

Main Methods:

  • Fabrication of multi-scale plasmonic structures (1D, 2D, 3D) using nanofabrication tools and templates.

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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: May 17, 2026

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
15:06

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Published on: January 3, 2016

Trapping of Micro Particles in Nanoplasmonic Optical Lattice
07:20

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Published on: September 5, 2017

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

  • Characterization of optical properties across a wide range of length scales (1 nm to >1000 nm).
  • Investigation of near-field and far-field optical responses.

    • Main Results:

    • Multi-scale structures exhibit distinct optical properties compared to smaller, single-scale counterparts.
    • A library of plasmon resonances can be compiled by exploiting diverse length scales within single particles.
    • Unexpected optical behaviors arise from the interplay of different length scales.

    Conclusions:

    • Multi-scale plasmonic structures provide an experimental pathway to address the plasmonics inverse problem.
    • These structures enable targeted design of optical properties for various applications.
    • Applications include surface-enhanced Raman spectroscopy (SERS) using multi-scale particle dimers.