Author： Aybeke E N Lacroute Y Elie-Caille C Bouhelier A Bourillot E Lesniewska E
Publisher： IOP Publishing
E-ISSN： 1361-6528|26|24|245302-245308
ISSN： 0957-4484
Source： Nanotechnology, Vol.26, Iss.24, 2015-06, pp. : 245302-245308
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Abstract
This article details the surface-enhanced Raman scattering (SERS) performance of plasmonic substrates fabricated by a physical metal evaporation technique that uses no precursor or intermediate coating. We outline a cost-effective nanofabrication protocol that uses common laboratory equipment to produce homogeneously covered crystalline nanoparticle substrates. Our fabrication yields a homogeneous SERS response over the whole surface. The platform is tested with methylene blue diluted at various concentrations to estimate the sensitivity, homogeneity, and reproducibility of the process. The capacity of the substrates is also confirmed with spectroscopic investigations of human microsomal cytochrome b5.
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