Tip-enhanced Raman scattering of p-thiocresol molecules on individual gold nanoparticles

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Abstract

We present a study of tip-enhanced Raman scattering on Au aerosol nanoparticles deposited on gold films. Under the tunneling current state, the Au tip and the Au aerosol nanoparticle form a narrow cavity, where large electromagnetic field enhancements are created to enhance Raman scattering enormously. Colorless p-thiocresol molecules are used as probe molecules. The estimated Raman enhancement is about nine orders of magnitude for the tip/particle configuration.

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Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Den kondenserade materiens fysik
Originalspråkengelska
Artikelnummer093110
TidskriftApplied Physics Letters
Volym92
Utgåva nummer9
StatusPublished - 2008
PublikationskategoriForskning
Peer review utfördJa