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Related Experiment Video

Updated: May 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

Reshaping nanocrystals for tunable plasmonic substrates.

Minjung Kim1, Young Wook Lee, Dongheun Kim

  • 1Department of Chemistry and KI for the NanoCentury, KAIST, Daejeon 305-701, Korea.

ACS Applied Materials & Interfaces
|August 11, 2012
PubMed
Summary

Researchers developed a novel method to reshape silver nanoprisms into tunable plasmonic nanostructures. This technique enables the creation of gradient and patterned plasmonic substrates for advanced applications like sensitive biosensors.

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Area of Science:

  • Nanotechnology
  • Materials Science
  • Optics

Background:

  • Plasmonic nanostructures offer tunable optical properties for applications in sensing and optics.
  • Fabricating nanostructures with controlled spatial arrangements and optical properties remains a challenge.

Purpose of the Study:

  • To develop a facile and versatile method for fabricating tunable plasmonic substrates.
  • To explore the reshaping of metal nanocrystals for creating novel plasmonic materials.

Main Methods:

  • Utilized anisotropic etching and redeposition of silver (Ag) atoms mediated by halide ions.
  • Transformed Ag nanoprisms into oblate spheroidal nanostructures on surfaces and in solution.
  • Investigated the tuning of localized surface plasmon resonance (LSPR) features.

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Last Updated: May 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

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography
08:21

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

Published on: September 2, 2017

Main Results:

  • Successfully reshaped Ag nanoprisms into tunable oblate spheroidal nanostructures.
  • Demonstrated the ability to tune LSPR features through nanostructure reshaping.
  • Created new classes of plasmonic substrates with gradient or patterned properties.

Conclusions:

  • The nanocrystal reshaping strategy provides a versatile approach for fabricating tunable plasmonic substrates.
  • This method facilitates the creation of gradient and patterned plasmonic properties, overcoming limitations of lithographic techniques.
  • Gradient plasmonic substrates show potential as platforms for tunable surface-enhanced Raman scattering (SERS).