Differentiating surface and bulk interactions using localized surface plasmon resonances of gold nanorods

Neha Nehru; Eugenii U. Donev; Gazi M. Huda; Linliang Yu; Yinan Wei; J. Todd Hastings

doi:10.1364/OE.20.006905

Differentiating surface and bulk interactions using localized surface plasmon resonances of gold nanorods

Neha Nehru, Eugenii U. Donev, Gazi M. Huda, Linliang Yu, Yinan Wei, J. Todd Hastings

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

16 Scopus citations

Abstract

We demonstrate a novel localized surface-plasmon resonance sensor that can distinguish surface binding interactions from interfering bulk effects. This is accomplished by utilizing the longitudinal and transverse plasmon modes of gold nanorods. We have investigated, both numerically and experimentally, the effect of change in background refractive index and surface binding on the two resonances of a gold nanorod on an indium tin oxide coated glass substrate.

Original language	English
Pages (from-to)	6905-6914
Number of pages	10
Journal	Optics Express
Volume	20
Issue number	7
DOIs	https://doi.org/10.1364/OE.20.006905
State	Published - Mar 26 2012

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Differentiating surface and bulk interactions using localized surface plasmon resonances of gold nanorods",

abstract = "We demonstrate a novel localized surface-plasmon resonance sensor that can distinguish surface binding interactions from interfering bulk effects. This is accomplished by utilizing the longitudinal and transverse plasmon modes of gold nanorods. We have investigated, both numerically and experimentally, the effect of change in background refractive index and surface binding on the two resonances of a gold nanorod on an indium tin oxide coated glass substrate.",

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AU - Nehru, Neha

AU - Donev, Eugenii U.

AU - Huda, Gazi M.

AU - Yu, Linliang

AU - Wei, Yinan

AU - Hastings, J. Todd

PY - 2012/3/26

Y1 - 2012/3/26

N2 - We demonstrate a novel localized surface-plasmon resonance sensor that can distinguish surface binding interactions from interfering bulk effects. This is accomplished by utilizing the longitudinal and transverse plasmon modes of gold nanorods. We have investigated, both numerically and experimentally, the effect of change in background refractive index and surface binding on the two resonances of a gold nanorod on an indium tin oxide coated glass substrate.

AB - We demonstrate a novel localized surface-plasmon resonance sensor that can distinguish surface binding interactions from interfering bulk effects. This is accomplished by utilizing the longitudinal and transverse plasmon modes of gold nanorods. We have investigated, both numerically and experimentally, the effect of change in background refractive index and surface binding on the two resonances of a gold nanorod on an indium tin oxide coated glass substrate.

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Differentiating surface and bulk interactions using localized surface plasmon resonances of gold nanorods

Abstract

ASJC Scopus subject areas

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