Nanopost plasmonic crystals

Nanopost plasmonic crystals

We describe a class of plasmonic crystal that consists of square arrays of nanoposts formed by soft nanoimprint lithography. As sensors, these structure show somewhat higher bulk refractive index sensitivity for aqueous solutions in the visible wavelength range as compared to plasmonic crystals cons...

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Veröffentlicht in:Nanotechnology 2009-10, Vol.20 (43), p.434011-434011
Hauptverfasser: Truong, T T, Maria, J, Yao, J, Stewart, M E, Lee, T-W, Gray, S K, Nuzzo, R G, Rogers, J A
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NANOSCIENCE AND NANOTECHNOLOGY
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container_end_page 434011
container_issue 43
container_start_page 434011
container_title Nanotechnology
container_volume 20
creator Truong, T T
Maria, J
Yao, J
Stewart, M E
Lee, T-W
Gray, S K
Nuzzo, R G
Rogers, J A
description We describe a class of plasmonic crystal that consists of square arrays of nanoposts formed by soft nanoimprint lithography. As sensors, these structure show somewhat higher bulk refractive index sensitivity for aqueous solutions in the visible wavelength range as compared to plasmonic crystals consisting of square arrays of nanowells with similar dimensions, with opposite trends for the case of surface bound layers in air. Three-dimensional finite-difference time-domain simulations quantitatively capture the key features and assist in the interpretation of these and related results.
doi_str_mv 10.1088/0957-4484/20/43/434011
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title Nanopost plasmonic crystals
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