Surface enhanced coherent anti-Stokes Raman scattering on nanostructured gold surfaces
Surface enhanced coherent anti-Stokes Raman scattering on nanostructured gold surfaces
Coherent anti-Stokes Raman spectroscopy (CARS) is a well-known tool in multiphoton imaging and nonlinear spectroscopy. In this work we combine CARS with plasmonic surface enhancement on reproducible nanostructured surfaces. We demonstrate strong correlation between plasmon resonances and surface-enhanced CARS (SECARS) intensities on our nanostructured surfaces and show that an enhancement of 105 can be obtained over standard CARS. Furthermore, we find SECARS to be >103 times more sensitive than surface-enhanced Raman Spectroscopy (SERS). We also demonstrate SECARS imaging of molecular monolayers. Our work paves the way for reliable single molecule Raman spectroscopy and fast molecular imaging on plasmonic surfaces
5339-5343
Steuwe, Christian
3159a908-1c1c-42b0-9140-ecbdddb3cbbf
Kaminski, Clemens F.
3d075bb8-2e01-4664-8c81-b013922cc15f
Baumberg, Jeremy J.
51423b5f-bdb8-4851-8d50-472253ceb12c
Mahajan, Sumeet
b131f40a-479e-4432-b662-19d60d4069e9
10 November 2011
Steuwe, Christian
3159a908-1c1c-42b0-9140-ecbdddb3cbbf
Kaminski, Clemens F.
3d075bb8-2e01-4664-8c81-b013922cc15f
Baumberg, Jeremy J.
51423b5f-bdb8-4851-8d50-472253ceb12c
Mahajan, Sumeet
b131f40a-479e-4432-b662-19d60d4069e9
Steuwe, Christian, Kaminski, Clemens F., Baumberg, Jeremy J. and Mahajan, Sumeet
(2011)
Surface enhanced coherent anti-Stokes Raman scattering on nanostructured gold surfaces.
Nano Letters, 11 (12), .
(doi:10.1021/nl202875w).
Abstract
Coherent anti-Stokes Raman spectroscopy (CARS) is a well-known tool in multiphoton imaging and nonlinear spectroscopy. In this work we combine CARS with plasmonic surface enhancement on reproducible nanostructured surfaces. We demonstrate strong correlation between plasmon resonances and surface-enhanced CARS (SECARS) intensities on our nanostructured surfaces and show that an enhancement of 105 can be obtained over standard CARS. Furthermore, we find SECARS to be >103 times more sensitive than surface-enhanced Raman Spectroscopy (SERS). We also demonstrate SECARS imaging of molecular monolayers. Our work paves the way for reliable single molecule Raman spectroscopy and fast molecular imaging on plasmonic surfaces
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Published date: 10 November 2011
Organisations:
Chemistry, Physics & Astronomy
Identifiers
Local EPrints ID: 340200
URI: http://eprints.soton.ac.uk/id/eprint/340200
ISSN: 1530-6984
PURE UUID: 29235a1a-c0b1-41b8-a59c-be81e8ef934e
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Date deposited: 15 Jun 2012 07:53
Last modified: 15 Mar 2024 03:28
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Author:
Christian Steuwe
Author:
Clemens F. Kaminski
Author:
Jeremy J. Baumberg
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