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  Enhanced Raman Scattering of Graphene using Arrays of Split Ring Resonators

Sarau, G., Lahiri, B., Banzer, P., Gupta, P., Bhattacharya, A., Vollmer, F., et al. (2013). Enhanced Raman Scattering of Graphene using Arrays of Split Ring Resonators. ADVANCED OPTICAL MATERIALS, 1(2), 151-157. doi:10.1002/adom.201200053.

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 Creators:
Sarau, George1, Author           
Lahiri, Basudev2, Author
Banzer, Peter3, Author           
Gupta, Priti2, Author
Bhattacharya, Arnab2, Author
Vollmer, Frank4, Author           
Christiansen, Silke1, 5, Author           
Affiliations:
1Micro- & Nanostructuring, Technology Development and Service Units, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364725              
2external, ou_persistent22              
3Interference Microscopy and Nanooptics, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364700              
4Vollmer Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364719              
5Christiansen Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364716              

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Free keywords: SINGLE-LAYER GRAPHENE; MAGNETIC RESPONSE; SPECTROSCOPY; SURFACE; METAMATERIALS; GOLD; NANOSTRUCTURES; NANOANTENNA; PLASMONICS; PLATFORMMaterials Science; Optics;
 Abstract: Combining graphene with plasmonic nanostructures is currently being explored for high sensitivity biochemical detection based on the surface-enhanced Raman scattering (SERS) effect. Here, a novel and tunable platform for understanding SERS based on graphene monolayers transferred on arrays of split ring resonators (SRRs) exhibiting resonances in the visible range is introduced. Raman enhancement factors per area of graphene of up to 75 are measured, demonstrating the strong plasmonic coupling between graphene and the metamaterial resonances. Apart from the incident laser light, both the photoluminescence signal emitted by the SRRs and the Raman scattered light from graphene contribute to the excitation of distinct resonances, resulting in different SERS. This new perspective allows control of SERS in the case of graphene on plasmonic metamaterials or nanostructures and potentially paves the way towards an advanced SERS substrate that could lead to the detection of single molecules attached to graphene in future biochemical sensing devices.

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Language(s): eng - English
 Dates: 2013
 Publication Status: Issued
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000320997900007
DOI: 10.1002/adom.201200053
 Degree: -

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Title: ADVANCED OPTICAL MATERIALS
Source Genre: Journal
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Publ. Info: BOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANY : WILEY-V C H VERLAG GMBH
Pages: - Volume / Issue: 1 (2) Sequence Number: - Start / End Page: 151 - 157 Identifier: ISSN: 2195-1071