Publication Title

Journal of the American Chemical Society

Volume

135

Publication Date

2013

Document Type

Article

Issue

41

First and Last Page

15302–15305

Abstract

By using gold nanorods as an example, we report the dynamic and reversible tuning of the plasmonic property of anisotropically shaped colloidal metal nanostructures by controlling their orientation using external magnetic fields. The magnetic orientational control enables instant and selective excitation of the plasmon modes of AuNRs through the manipulation of the field direction relative to the directions of incidence and polarization of light.

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