Encyclopedia of Nanotechnology

2012 Edition
| Editors: Bharat Bhushan

Gold Nanorods

Reference work entry
DOI: https://doi.org/10.1007/978-90-481-9751-4_89
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Synonyms

 Cylindrical gold nanoparticles;  Short (low aspect ratio) gold nanowires

Definition

A gold nanorod is defined as nanometer-sized gold particles that are rod shaped. These solid, cylindrical nanoparticles have uniform diameters ranging from a few nanometers to hundreds nanometers, with aspect ratios (length/diameter) larger than 1 but typically smaller than 10. Owing to their unique physical properties, gold nanowires/nanorods have many attractive applications in several areas, such as in life science, electronic and electromechanical devices, sensors, and solar cells. In the field of nanomedicine, the typical sizes for gold nanorods were around tens of nanometers in diameters and hundreds of nanometers in lengths. The crystalline structures of these gold nanomaterials can be either polycrystals or single crystals with different orientations, depending on the growth methods and conditions.

Key Research Findings

Surface Plasmon Resonance (SPR)

One of the most remarkable...

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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  1. 1.Department of Materials Science and EngineeringMassachusetts Institute of TechnologyCambridgeUSA
  2. 2.Department of Mechanical Engineering and Materials ScienceRice University 223 MEBHoustonUSA