Journal
APPLIED PHYSICS LETTERS
Volume 100, Issue 19, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4712054
Keywords
-
Categories
Funding
- Singapore National Research Foundation under CRP [NRF-CRP 4-2008-06]
Ask authors/readers for more resources
The electromagnetic enhancement for surface enhanced Raman spectroscopy (SERS) of graphene is studied by inserting a layer of Al2O3 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. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4712054]
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available