Study of electromagnetic enhancement for surface enhanced Raman spectroscopy of SiC graphene

Niu, Jing, Truong, Viet Giang, Huang, Han, Tripathy, Sudhiranjan, Qiu, Caiyu, Wee, Andrew T. S., Yu, Ting and Yang, Hyunsoo (2012) Study of electromagnetic enhancement for surface enhanced Raman spectroscopy of SiC graphene. Applied Physics Letters, 100 19: 191601.1-191601.4. doi:10.1063/1.4712054

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Author Niu, Jing
Truong, Viet Giang
Huang, Han
Tripathy, Sudhiranjan
Qiu, Caiyu
Wee, Andrew T. S.
Yu, Ting
Yang, Hyunsoo
Title Study of electromagnetic enhancement for surface enhanced Raman spectroscopy of SiC graphene
Journal name Applied Physics Letters   Check publisher's open access policy
ISSN 0003-6951
1077-3118
Publication date 2012-05-07
Year available 2012
Sub-type Article (original research)
DOI 10.1063/1.4712054
Open Access Status File (Publisher version)
Volume 100
Issue 19
Start page 191601.1
End page 191601.4
Total pages 4
Place of publication College Park, MD United States
Publisher American Institute of Physics
Language eng
Subject 3101 Physics and Astronomy (miscellaneous)
Abstract The electromagnetic enhancement for surface enhanced Raman spectroscopy (SERS) of graphene is studied by inserting a layer of Al 2O 3 between epitaxial graphene and Au nanoparticles. Different excitation lasers are utilized to study the relationship between laser wavelength and SERS. The theoretical calculation shows that the extinction spectrum of Au nanoparticles is modulated by the presence of graphene. The experimental results of the relationship between the excitation laser wavelength and the enhancement factor fit well with the calculated results. An exponential relationship is observed between the enhancement factor and the thickness of the spacer layer.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mechanical & Mining Engineering Publications
 
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Created: Thu, 07 Nov 2013, 22:45:17 EST by Deanna Mahony on behalf of School of Mechanical and Mining Engineering