Nanoscale materials for sensing and detection based on surface plasmon excitation

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Abstract

In this paper we present the effect of gold, silver and oxide thicknesses on the sensitivity of Surface Plasmon Resonance (SPR). SPR sensor with enhanced sensitivities can be realized based on gold/silver films. Surface Plasmons (SP) are electromagnetic waves that transmit along the interference between a metal and a dielectric film, and the electromagnetic wave of the surface plasmons is coupled to oscillations of free electrons in the metal. SPR has attracted interest in many applications such as solar cells, chemical and biological sensing. The potential sensor application by using gold/silver nanocrystal enhanced SPR phenomenon. Sensitivity is a significant parameter to assess the sensor's performance. Essentially, sensitivity is determined by the force of light and matter interaction.

Original languageEnglish
Title of host publicationPlasmonics
Subtitle of host publicationMetallic Nanostructures and Their Optical Properties VII
DOIs
StatePublished - 2009
Externally publishedYes
EventPlasmonics: Metallic Nanostructures and Their Optical Properties VII - San Diego, CA, United States
Duration: 2 Aug 20096 Aug 2009

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume7394
ISSN (Print)0277-786X

Conference

ConferencePlasmonics: Metallic Nanostructures and Their Optical Properties VII
Country/TerritoryUnited States
CitySan Diego, CA
Period2/08/096/08/09

Keywords

  • And Nanofabrication
  • Surface Plasmon Polaritons
  • Surface Plasmon Resonance
  • Surface Plasmons

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