2017
DOI: 10.1039/c7ra05126c
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Surfaces enhanced with film-coupled silver nanopolyhedrons for optical transmittance

Abstract: A metallic nanoparticle positioned over a metal film offers enormous advantages as a highly controllable system relevant for probing field-enhancement and designing controlled-emissivity surfaces for thermophotovoltaic devices. The film-coupled silver (Ag) nanoparticle is of particular interest due to the formation of waveguide cavity-like modes between the NPs and film. The ability of individual nanopolyhedron (NP) patch antennas, consisting of Ag NP separated from gold (Au) film by a dielectric spacer layer … Show more

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Cited by 2 publications
(1 citation statement)
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“…Ag nanocubes were assembled on the PE layer surface without using any additional process to control their spatial arrangement. An accurate distance between as-deposited Ag nanocubes and underlying Au films was fabricated by a layer-by-layer deposition of PE layers. Remarkable enhancement in SERS signals was experimentally achieved through the rationally designed SERS substrate and probe molecules (rhodamine 6G and crystal violet) due to the coupling of multiple LSP and SPP resonances. A high degree of morphological, size, and distance control facilitates a better understanding of the enhancement mechanisms in SERS and search for optimal conditions. The electromagnetic enhancement was further investigated by the finite-difference time-domain simulations.…”
Section: Introductionmentioning
confidence: 99%
“…Ag nanocubes were assembled on the PE layer surface without using any additional process to control their spatial arrangement. An accurate distance between as-deposited Ag nanocubes and underlying Au films was fabricated by a layer-by-layer deposition of PE layers. Remarkable enhancement in SERS signals was experimentally achieved through the rationally designed SERS substrate and probe molecules (rhodamine 6G and crystal violet) due to the coupling of multiple LSP and SPP resonances. A high degree of morphological, size, and distance control facilitates a better understanding of the enhancement mechanisms in SERS and search for optimal conditions. The electromagnetic enhancement was further investigated by the finite-difference time-domain simulations.…”
Section: Introductionmentioning
confidence: 99%