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Improved Enhancement Factor for SERS using Broad Ion Beam Induced Self-organized Gold Nanocones
Published online by Cambridge University Press: 19 February 2019
Abstract
Sparsely distributed and self-organized gold-nanocones are fabricated by broad argon ion beam sputtering on the gold surface with grazing incident angle. The rotation of the sample with respect to the vertical axis has found to influence the morphology of the obtained nanostructures. Ion beam irradiation of the sample leads to formation of nanoripples when the sample is held stationary, otherwise nanocones are formed if the sample is rotated during irradiation. A hybrid gold-nanocone/graphene/gold-nanohole based surface-enhanced Raman scattering (SERS) sensor is proposed and shown to exhibit an enhancement factor of 109 via finite-difference time-domain (FDTD) simulations.
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- Articles
- Information
- MRS Advances , Volume 4 , Issue 11-12: Electronic, Photonic and Magnetic Materials , 2019 , pp. 697 - 703
- Copyright
- Copyright © Materials Research Society 2019
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