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Surface-enhanced Raman spectroscopy using silver impregnated polycarbonate substrates

Surface-enhanced Raman spectroscopy using silver impregnated polycarbonate substrates
Surface-enhanced Raman spectroscopy using silver impregnated polycarbonate substrates
Novel substrates based on noble metal nanoparticles are currently the subject of extensive research in fields such as biological sensing, medicine, spectroscopy and nano-photonics due to the large electromagnetic fields generated in the vicinity of the metal surface via a surface plasmon resonance. The dependence of the resonance wavelength on the size, shape, local dielectric environment and interparticle spacing, enables engineering of the metal nanoparticle substrates to target specific requirements [1]. Here we report the fabrication of silver impregnated polycarbonate composites as substrates for surface enhanced Raman spectroscopy (SERS) where the plasmonic properties can be controlled via the reaction parameters. Although silver has superior plasmonic properties to other metals, it is often over looked for SERS substrates as it is highly prone to oxidation. The embedding of silver nanoparticles into polymer substrates offers substantial environmental protection, allowing for the construction of temporally stable plasmonic devices that can exploit the mechanical flexibility of the polymers and prevent particle agglomeration. These nanoparticle composites offer a number of advantages as SERS substrates as they are cheap, easily processed, and are bio-compatible.
Lagonigro, L.
c3bbb5f9-e81b-4565-970b-49c0e0bfd583
Peacock, A.C.
685d924c-ef6b-401b-a0bd-acf1f8e758fc
Sazio, Pier-John
0d6200b5-9947-469a-8e97-9147da8a7158
Hasell, T.
590c69ff-ee78-4cae-a77a-198c35803346
Brown, P.D.
f0b2e76e-288d-4bab-9581-1f5421854d5e
Howdle, S.M.
9aaf52a9-58ae-4811-947a-0498f153cfa5
Lagonigro, L.
c3bbb5f9-e81b-4565-970b-49c0e0bfd583
Peacock, A.C.
685d924c-ef6b-401b-a0bd-acf1f8e758fc
Sazio, Pier-John
0d6200b5-9947-469a-8e97-9147da8a7158
Hasell, T.
590c69ff-ee78-4cae-a77a-198c35803346
Brown, P.D.
f0b2e76e-288d-4bab-9581-1f5421854d5e
Howdle, S.M.
9aaf52a9-58ae-4811-947a-0498f153cfa5

Lagonigro, L., Peacock, A.C., Sazio, Pier-John, Hasell, T., Brown, P.D. and Howdle, S.M. (2007) Surface-enhanced Raman spectroscopy using silver impregnated polycarbonate substrates At Conference on Lasers and Electro-Optics (CLEO)/Europe International Quantum electronics Conference (IQEC) 2007. 17 - 22 Jun 2007. 1 pp.

Record type: Conference or Workshop Item (Paper)

Abstract

Novel substrates based on noble metal nanoparticles are currently the subject of extensive research in fields such as biological sensing, medicine, spectroscopy and nano-photonics due to the large electromagnetic fields generated in the vicinity of the metal surface via a surface plasmon resonance. The dependence of the resonance wavelength on the size, shape, local dielectric environment and interparticle spacing, enables engineering of the metal nanoparticle substrates to target specific requirements [1]. Here we report the fabrication of silver impregnated polycarbonate composites as substrates for surface enhanced Raman spectroscopy (SERS) where the plasmonic properties can be controlled via the reaction parameters. Although silver has superior plasmonic properties to other metals, it is often over looked for SERS substrates as it is highly prone to oxidation. The embedding of silver nanoparticles into polymer substrates offers substantial environmental protection, allowing for the construction of temporally stable plasmonic devices that can exploit the mechanical flexibility of the polymers and prevent particle agglomeration. These nanoparticle composites offer a number of advantages as SERS substrates as they are cheap, easily processed, and are bio-compatible.

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Published date: June 2007
Venue - Dates: Conference on Lasers and Electro-Optics (CLEO)/Europe International Quantum electronics Conference (IQEC) 2007, 2007-06-17 - 2007-06-22

Identifiers

Local EPrints ID: 47797
URI: http://eprints.soton.ac.uk/id/eprint/47797
PURE UUID: f892c8ca-8a99-4c1c-87c0-2ee2dbdd186e
ORCID for A.C. Peacock: ORCID iD orcid.org/0000-0002-1940-7172
ORCID for Pier-John Sazio: ORCID iD orcid.org/0000-0002-6506-9266

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Date deposited: 09 Aug 2007
Last modified: 17 Jul 2017 15:02

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Contributors

Author: L. Lagonigro
Author: A.C. Peacock ORCID iD
Author: Pier-John Sazio ORCID iD
Author: T. Hasell
Author: P.D. Brown
Author: S.M. Howdle

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