Mode-Selective Surface-Enhanced Raman Spectroscopy Using Nanofabricated Plasmonic Dipole Antennas

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Author(s) Zhang, Weihua, Fischer, Holger, Schmid, Thomas, Zenobi, Renato, Martin, Olivier J.F.
Publication Type Journal Items, Publication Status: Published
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Title Mode-Selective Surface-Enhanced Raman Spectroscopy Using Nanofabricated Plasmonic Dipole Antennas
Author(s) Zhang, Weihua
Fischer, Holger
Schmid, Thomas
Zenobi, Renato
Martin, Olivier J.F.
Journal or Series Title The journal of physical chemistry. C
Volume Number 113
Issue Number 33
Start Page 14672
End Page 14675
ISSN 1932-7447
Publisher American Chemical Society
Publication Place Washington, DC
Publication Date 2009
Abstract Mode-selective surface-enhanced Raman spectroscopy (SERS) is demonstrated using plasmonic dipole antennas fabricated with electron beam lithography. An 10× change of the relative enhancement between two different Raman modes is observed when the resonance frequency of the plasmonic antennas is tuned over the Raman modes by varying the geometrical parameters of the antennas, i.e., changing their lengths or narrowing their feeding gaps. The comparison between the Rayleigh scattering spectra and the SERS spectra from the same individual plasmonic dipole antennas indicates that this mode-selective SERS phenomenon is a pure electromagnetic effect, providing a quantitative verification of the electromagnetic mechanism of SERS on a single nanoantenna level.
DOI 10.1021/jp9042304
Additional Notes Received 6 May 2009, Revised 2 July 2009, Published online 23 July 2009, Published in Issue 20 August 2009
Document Type Article
Publication Status Published
Language English
Assigned Organisational Unit(s) 03430
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NEBIS System Number 005283485
Source Database ID PP-49383
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  author = "Zhang, Weihua and Fischer, Holger and Schmid, Thomas and Zenobi, Renato and Martin, Olivier J.F.",
  title = "{M}ode-{S}elective {S}urface-{E}nhanced {R}aman {S}pectroscopy {U}sing {N}anofabricated {P}lasmonic {D}ipole {A}ntennas",
  journal = "The journal of physical chemistry. C",
  year = 2009,
  volume = "113",
  number = "33",
  pages = "14672--14675",

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