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

Jianing Chen, Weisheng Yang, Kimberly Dick Thelander, Knut Deppert, Hongqi Xu, Lars Samuelson, Hongxing Xu

Research output: Contribution to journalArticlepeer-review

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.
Original languageEnglish
Article number093110
JournalApplied Physics Letters
Volume92
Issue number9
DOIs
Publication statusPublished - 2008

Subject classification (UKÄ)

  • Condensed Matter Physics (including Material Physics, Nano Physics)

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