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Overlayers on silver nanotriangles: Field confinement and spectral position of localized surface plasmon resonances.

Murray, WA, Suckling, JR and Barnes, WL (2006) Overlayers on silver nanotriangles: Field confinement and spectral position of localized surface plasmon resonances. Nano Lett, 6 (8). pp. 1772-1777.

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Abstract

We studied the spectral evolution of plasmon modes associated with silver nanotriangles as a function of dielectric overlayer thickness in the range of 5-300 nm. A substantial red-shift of the resonance is observed that oscillates with increasing over-layer thickness. We explain this previously unreported oscillation through the cavity quantum electrodynamical effect of the array of triangles combined with the dielectric overlayer. The red-shift, though substantial, is less than expected. Comparison with numerical models indicates that this discrepancy is due to very tight field confinement around the tips of the triangles.

Item Type: Article
Authors :
NameEmailORCID
Murray, WAUNSPECIFIEDUNSPECIFIED
Suckling, JRj.suckling@surrey.ac.ukUNSPECIFIED
Barnes, WLUNSPECIFIEDUNSPECIFIED
Date : August 2006
Identification Number : https://doi.org/10.1021/nl060812e
Uncontrolled Keywords : Computer Simulation, Light, Models, Chemical, Models, Molecular, Nanostructures, Particle Size, Quantum Theory, Silver, Spin Labels, Surface Plasmon Resonance
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:08
Last Modified : 17 May 2017 15:09
URI: http://epubs.surrey.ac.uk/id/eprint/838112

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