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      Localized surface plasmon resonance spectroscopy of single silver nanocubes.

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          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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          Author and article information

          Journal
          Nano Lett
          Nano letters
          American Chemical Society (ACS)
          1530-6984
          1530-6984
          Oct 2005
          : 5
          : 10
          Affiliations
          [1 ] Chemistry Department, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3113, USA.
          Article
          10.1021/nl0515753
          16218733
          ad210874-4bb8-410a-bf2b-2d2d9674a0a7

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