Nanopost plasmonic crystals

T. T. Truong; J. Maria; J. Yao; M. E. Stewart; T. W. Lee; S. K. Gray; R. G. Nuzzo; J. A. Rogers

doi:10.1088/0957-4484/20/43/434011

Nanopost plasmonic crystals

T. T. Truong, J. Maria, J. Yao, M. E. Stewart, T. W. Lee, S. K. Gray, R. G. Nuzzo, J. A. Rogers

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English (US)
Article number	434011
Journal	Nanotechnology
Volume	20
Issue number	43
DOIs	https://doi.org/10.1088/0957-4484/20/43/434011
State	Published - 2009

ASJC Scopus subject areas

Bioengineering
General Chemistry
General Materials Science
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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10.1088/0957-4484/20/43/434011

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abstract = "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.",

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AU - Truong, T. T.

AU - Maria, J.

AU - Yao, J.

AU - Stewart, M. E.

AU - Lee, T. W.

AU - Gray, S. K.

AU - Nuzzo, R. G.

AU - Rogers, J. A.

PY - 2009

Y1 - 2009

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AB - 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.

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VL - 20

JO - Nanotechnology

JF - Nanotechnology

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Nanopost plasmonic crystals

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