Graphene induced tunability of the surface plasmon resonance

Jing Niu; Young Jun Shin; Youngbin Lee; Jong Hyun Ahn; Hyunsoo Yang

doi:10.1063/1.3683534

Graphene induced tunability of the surface plasmon resonance

Jing Niu, Young Jun Shin, Youngbin Lee, Jong Hyun Ahn, Hyunsoo Yang

Department of Electrical and Electronic Engineering

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

100 Citations (Scopus)

Abstract

Tunability of the surface plasmon resonance wavelength is demonstrated by varying the thickness of Al ₂O ₃ spacer layer inserted between the graphene and nanoparticles. By varying the spacer layer thickness from 0.3 to 1.8 nm, the resonance wavelength is shifted from 583 to 566 nm. The shift is due to a change in the electromagnetic field coupling strength between the localized surface plasmons excited in the gold nanoparticles and a single layer graphene film. In contrast, when the graphene film is absent from the system, no noticeable shift in the resonance wavelength is observed upon varying the spacer thickness.

Original language	English
Article number	061116
Journal	Applied Physics Letters
Volume	100
Issue number	6
DOIs	https://doi.org/10.1063/1.3683534
Publication status	Published - 2012 Feb 6

Bibliographical note

Funding Information:
This work is supported by the Singapore National Research Foundation under CRP Award No. NRF-CRP 4-2008-06 and by the National Research Foundation of Korea (NRF) (2011-0006268).

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.3683534

Cite this

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title = "Graphene induced tunability of the surface plasmon resonance",

abstract = "Tunability of the surface plasmon resonance wavelength is demonstrated by varying the thickness of Al 2O 3 spacer layer inserted between the graphene and nanoparticles. By varying the spacer layer thickness from 0.3 to 1.8 nm, the resonance wavelength is shifted from 583 to 566 nm. The shift is due to a change in the electromagnetic field coupling strength between the localized surface plasmons excited in the gold nanoparticles and a single layer graphene film. In contrast, when the graphene film is absent from the system, no noticeable shift in the resonance wavelength is observed upon varying the spacer thickness.",

author = "Jing Niu and {Jun Shin}, Young and Youngbin Lee and Ahn, {Jong Hyun} and Hyunsoo Yang",

note = "Funding Information: This work is supported by the Singapore National Research Foundation under CRP Award No. NRF-CRP 4-2008-06 and by the National Research Foundation of Korea (NRF) (2011-0006268).",

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AU - Niu, Jing

AU - Jun Shin, Young

AU - Lee, Youngbin

AU - Ahn, Jong Hyun

AU - Yang, Hyunsoo

N1 - Funding Information: This work is supported by the Singapore National Research Foundation under CRP Award No. NRF-CRP 4-2008-06 and by the National Research Foundation of Korea (NRF) (2011-0006268).

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Y1 - 2012/2/6

N2 - Tunability of the surface plasmon resonance wavelength is demonstrated by varying the thickness of Al 2O 3 spacer layer inserted between the graphene and nanoparticles. By varying the spacer layer thickness from 0.3 to 1.8 nm, the resonance wavelength is shifted from 583 to 566 nm. The shift is due to a change in the electromagnetic field coupling strength between the localized surface plasmons excited in the gold nanoparticles and a single layer graphene film. In contrast, when the graphene film is absent from the system, no noticeable shift in the resonance wavelength is observed upon varying the spacer thickness.

AB - Tunability of the surface plasmon resonance wavelength is demonstrated by varying the thickness of Al 2O 3 spacer layer inserted between the graphene and nanoparticles. By varying the spacer layer thickness from 0.3 to 1.8 nm, the resonance wavelength is shifted from 583 to 566 nm. The shift is due to a change in the electromagnetic field coupling strength between the localized surface plasmons excited in the gold nanoparticles and a single layer graphene film. In contrast, when the graphene film is absent from the system, no noticeable shift in the resonance wavelength is observed upon varying the spacer thickness.

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Graphene induced tunability of the surface plasmon resonance

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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