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. 2005 Oct;5(10):2034-8.
doi: 10.1021/nl0515753.

Localized surface plasmon resonance spectroscopy of single silver nanocubes

Leif J Sherry  1 , Shih-Hui Chang, George C Schatz, Richard P Van Duyne, Benjamin J Wiley, Younan Xia
Affiliations

Localized surface plasmon resonance spectroscopy of single silver nanocubes

Leif J Sherry et al. Nano Lett. 2005 Oct.

Abstract

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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