Localized surface plasmon resonance spectroscopy of single silver nanocubes

Leif J. Sherry; Shih Hui Chang; George C. Schatz; Richard P. Van Duyne; Benjamin J. Wiley; Younan Xia

doi:10.1021/nl0515753

Localized surface plasmon resonance spectroscopy of single silver nanocubes

Leif J. Sherry, Shih Hui Chang, George C. Schatz, Richard P. Van Duyne, Benjamin J. Wiley, Younan Xia

光電科學與工程學系

研究成果: Article › 同行評審

1289 引文斯高帕斯（Scopus）

摘要

In this work, we use dark-field microscopy to observe a new plasmon resonance effect for a single silver nanocube in which the plasmon line shape has two distinct peaks when the particles are located on a glass substrate. The dependence of the resonance on nanocube size and shape is characterized, and it is found that the bluer peak has a higher figure of merit for chemical sensing applications than that for other particle shapes that have been studied previously. Comparison of the measured results with finite difference time domain (FDTD) electrodynamics calculations enables us to confirm the accuracy of our spectral assignments.

原文	English
頁（從 - 到）	2034-2038
頁數	5
期刊	Nano letters
卷	5
發行號	10
DOIs	https://doi.org/10.1021/nl0515753
出版狀態	Published - 2005 10月 1

All Science Journal Classification (ASJC) codes

生物工程
化學 (全部)
材料科學(全部)
凝聚態物理學
機械工業

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10.1021/nl0515753

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AU - Sherry, Leif J.

AU - Chang, Shih Hui

AU - Schatz, George C.

AU - Van Duyne, Richard P.

AU - Wiley, Benjamin J.

AU - Xia, Younan

PY - 2005/10/1

Y1 - 2005/10/1

N2 - In this work, we use dark-field microscopy to observe a new plasmon resonance effect for a single silver nanocube in which the plasmon line shape has two distinct peaks when the particles are located on a glass substrate. The dependence of the resonance on nanocube size and shape is characterized, and it is found that the bluer peak has a higher figure of merit for chemical sensing applications than that for other particle shapes that have been studied previously. Comparison of the measured results with finite difference time domain (FDTD) electrodynamics calculations enables us to confirm the accuracy of our spectral assignments.

AB - In this work, we use dark-field microscopy to observe a new plasmon resonance effect for a single silver nanocube in which the plasmon line shape has two distinct peaks when the particles are located on a glass substrate. The dependence of the resonance on nanocube size and shape is characterized, and it is found that the bluer peak has a higher figure of merit for chemical sensing applications than that for other particle shapes that have been studied previously. Comparison of the measured results with finite difference time domain (FDTD) electrodynamics calculations enables us to confirm the accuracy of our spectral assignments.

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SP - 2034

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JO - Nano Letters

JF - Nano Letters

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ER -

Localized surface plasmon resonance spectroscopy of single silver nanocubes

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