Issue 21, 2008
From the journal:

Journal of Materials Chemistry

Shape-dependent plasmon resonances of gold nanoparticles

Colleen L. Nehl†a  and  Jason H. Hafner*a  

* Corresponding authors

a Department of Physics & Astronomy, Rice University, 6100 Main Street, Houston, TX, USA
E-mail: hafner@rice.edu
Fax: +1 713 348 4150
Tel: +1 713 348 3205

Abstract

Localized surface plasmon resonances in noble metal nanoparticles cause enhanced optical absorption and scattering that is tunable through the visible and near-infrared. Furthermore, these resonances create large local electric field enhancements at the nanoparticle surfaces, essentially focussing light at the nanometer scale. These properties suggest a range of applications, including biomedical imaging, therapeutics, and molecular sensing. Here we review some recent advances regarding shape-dependent optical properties of two specific nanoparticle geometries: gold nanorods and branched gold nanoparticles.

Graphical abstract: Shape-dependent plasmon resonances of gold nanoparticles

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Article information

DOI
https://doi.org/10.1039/B714950F
Article type
Application
Submitted
28 Sep 2007
Accepted
07 Jan 2008
First published
11 Feb 2008

J. Mater. Chem., 2008,18, 2415-2419

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Shape-dependent plasmon resonances of gold nanoparticles

C. L. Nehl and J. H. Hafner, J. Mater. Chem., 2008, 18, 2415 DOI: 10.1039/B714950F

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