Probing the structure of single-molecule surface-enhanced Raman scattering hot spots

Jon P. Camden, Jon A. Dieringer, Yingmin Wang, David J. Masiello, Lawrence D. Marks, George C. Schatz, Richard P. Van Duyne

Research output: Contribution to journalArticle

685 Scopus citations

Abstract

We present here a detailed study of the specific nanoparticle structures that give rise to single-molecule surface-enhanced Raman scattering (SMSERS). A variety of structures are observed, but the simplest are dimers of Ag nanocrystals. We chose one of these structures for detailed study using electrodynamics calculations and found that the electromagnetic SERS enhancement factors of 109 are easily obtained and are consistent with single-molecule SERS activity.

Original languageEnglish (US)
Pages (from-to)12616-12617
Number of pages2
JournalJournal of the American Chemical Society
Volume130
Issue number38
DOIs
StatePublished - Sep 24 2008

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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    Camden, J. P., Dieringer, J. A., Wang, Y., Masiello, D. J., Marks, L. D., Schatz, G. C., & Van Duyne, R. P. (2008). Probing the structure of single-molecule surface-enhanced Raman scattering hot spots. Journal of the American Chemical Society, 130(38), 12616-12617. https://doi.org/10.1021/ja8051427