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Updated: Jun 19, 2026

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

Nanopost plasmonic crystals.

T T Truong1, J Maria, J Yao

  • 1Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.

Nanotechnology
|October 6, 2009
PubMed
Summary
This summary is machine-generated.

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New plasmonic crystals made of nanoposts show improved sensing for aqueous solutions. These structures offer higher bulk refractive index sensitivity compared to nanowell arrays, aiding in biosensing applications.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Optics

Background:

  • Plasmonic crystals are crucial for sensing applications.
  • Understanding structure-property relationships is key for sensor development.

Purpose of the Study:

  • To investigate the sensing capabilities of plasmonic crystals composed of nanoposts.
  • To compare their performance with nanowell-based plasmonic crystals.

Main Methods:

  • Fabrication of nanopost arrays using soft nanoimprint lithography.
  • Characterization of bulk refractive index sensitivity in the visible range.
  • Utilizing three-dimensional finite-difference time-domain (3D FDTD) simulations.

Main Results:

  • Nanopost arrays exhibit higher bulk refractive index sensitivity for aqueous solutions compared to nanowell arrays.

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Last Updated: Jun 19, 2026

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

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

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07:20

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Published on: September 5, 2017

  • Opposite sensitivity trends were observed for surface-bound layers in air.
  • 3D FDTD simulations accurately predicted experimental observations.

    • Conclusions:

    • Soft nanoimprint lithography enables the creation of effective plasmonic sensors.
    • Nanopost plasmonic crystals present a promising alternative for aqueous solution sensing.
    • Computational modeling is vital for understanding and optimizing plasmonic sensor performance.