Maneuvering the surface plasmon resonance of silver nanostructures through shape-controlled synthesis

Benjamin J. Wiley, Sang Hyuk Im, Zhi Yuan Li, Joeseph McLellan, Andrew Siekkinen, Younan Xia

Research output: Contribution to journalArticle

737 Citations (Scopus)

Abstract

Silver nanostructures are containers for surface plasmons - the collective oscillation of conduction electrons in phase with incident light. By controlling the shape of the container, one can control the ways in which electrons oscillate, and in turn how the nanostructure scatters light, absorbs light, and enhances local electric fields. With a series of discrete dipole approximation (DDA) calculations, each of a distinctive morphology, we illustrate how shape control can tune the optical properties of silver nanostructures. Calculated predictions are validated by experimental measurements performed on nanocubes with controllable corner truncation, right bipyramids, and pentagonal nanowires. Control of nanostructure shape allows optimization of plasmon resonance for molecular detection and spectroscopy.

Original languageEnglish
Pages (from-to)15666-15675
Number of pages10
JournalJournal of Physical Chemistry B
Volume110
Issue number32
DOIs
Publication statusPublished - 2006 Aug 17
Externally publishedYes

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Surface Plasmon Resonance
Nanostructures
Surface plasmon resonance
Silver
surface plasmon resonance
silver
containers
synthesis
Light
Containers
shape optimization
shape control
Electrons
Nanowires
approximation
plasmons
conduction electrons
Plasmons
Shape optimization
nanowires

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Maneuvering the surface plasmon resonance of silver nanostructures through shape-controlled synthesis. / Wiley, Benjamin J.; Im, Sang Hyuk; Li, Zhi Yuan; McLellan, Joeseph; Siekkinen, Andrew; Xia, Younan.

In: Journal of Physical Chemistry B, Vol. 110, No. 32, 17.08.2006, p. 15666-15675.

Research output: Contribution to journalArticle

Wiley, Benjamin J. ; Im, Sang Hyuk ; Li, Zhi Yuan ; McLellan, Joeseph ; Siekkinen, Andrew ; Xia, Younan. / Maneuvering the surface plasmon resonance of silver nanostructures through shape-controlled synthesis. In: Journal of Physical Chemistry B. 2006 ; Vol. 110, No. 32. pp. 15666-15675.
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