SERS EM field enhancement study through fast Raman mapping of Sierpinski carpet arrays

Keng H. Hsu, Ju H. Back, Kin Hung Fung, Placid M. Ferreira, Moonsub Shim, Nicholas X. Fang

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Self-similar Sierpinski carpet fractals were fabricated using a new nanopatterning technique, i.e. solid-state superionic stamping (S4), to study the effect of feature size on plasmon-enhanced Raman scattering. A real-time Raman image showing electromagnetic (EM) field enhancement contrast is demonstrated. The effects were studied and explained in the context of modes of surface plasmon excitation. Additionally, we find that the EM field enhancement supported by the fractals extends further spatially as compared to continuous Ag surfaces.

Original languageEnglish (US)
Pages (from-to)1124-1130
Number of pages7
JournalJournal of Raman Spectroscopy
Volume41
Issue number10
DOIs
StatePublished - Oct 2010
Externally publishedYes

Fingerprint

Fractals
Electromagnetic fields
Stamping
Raman scattering

Keywords

  • Electrochemical nanoimprint
  • Nanomanufacturing
  • Plasmonics
  • Raman scatting
  • SERS

ASJC Scopus subject areas

  • Spectroscopy
  • Materials Science(all)

Cite this

Hsu, K. H., Back, J. H., Fung, K. H., Ferreira, P. M., Shim, M., & Fang, N. X. (2010). SERS EM field enhancement study through fast Raman mapping of Sierpinski carpet arrays. Journal of Raman Spectroscopy, 41(10), 1124-1130. https://doi.org/10.1002/jrs.2581

SERS EM field enhancement study through fast Raman mapping of Sierpinski carpet arrays. / Hsu, Keng H.; Back, Ju H.; Fung, Kin Hung; Ferreira, Placid M.; Shim, Moonsub; Fang, Nicholas X.

In: Journal of Raman Spectroscopy, Vol. 41, No. 10, 10.2010, p. 1124-1130.

Research output: Contribution to journalArticle

Hsu, KH, Back, JH, Fung, KH, Ferreira, PM, Shim, M & Fang, NX 2010, 'SERS EM field enhancement study through fast Raman mapping of Sierpinski carpet arrays', Journal of Raman Spectroscopy, vol. 41, no. 10, pp. 1124-1130. https://doi.org/10.1002/jrs.2581
Hsu, Keng H. ; Back, Ju H. ; Fung, Kin Hung ; Ferreira, Placid M. ; Shim, Moonsub ; Fang, Nicholas X. / SERS EM field enhancement study through fast Raman mapping of Sierpinski carpet arrays. In: Journal of Raman Spectroscopy. 2010 ; Vol. 41, No. 10. pp. 1124-1130.
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