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Cited by 340

The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.

Chiral plasmonic DNA nanostructures with switchable circular dichroism

Open access
Schreiber, Robert, Luong, Ngoc, Fan, Zhiyuan, Kuzyk, Anton, Nickels, Philipp C., Zhang, Tao, Smith, David M., Yurke, Bernard, Kuang, Wan, Govorov, Alexander O., Liedl, Tim·2013·Nature Communications

Abstract

Circular dichroism spectra of naturally occurring molecules and also of synthetic chiral arrangements of plasmonic particles often exhibit characteristic bisignate shapes. Such spectra consist of peaks next to dips (or vice versa) and result from the superposition of signals originating from many individual chiral objects oriented randomly in solution. Here we show that by first aligning and then toggling the orientation of DNA-origami-scaffolded nanoparticle helices attached to a substrate, we are able to reversibly switch the optical response between two distinct circular dichroism spectra corresponding to either perpendicular or parallel helix orientation with respect to the light beam. The observed directional circular dichroism of our switchable plasmonic material is in good agreement with predictions based on dipole approximation theory. Such dynamic metamaterials introduce functionality into soft matter-based optical devices and may enable novel data storage schemes or signal modulators. Plasmonic resonances in nanoparticle helices arranged by the DNA origami method can give rise to strong circular dichroism at visible wavelengths. Schreiber et al. show that aligning and then toggling the orientation of such nanoparticle helices enables reversible switching of the dichroic response.

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Crossref · 10.1038/ncomms3948

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Metadata

Authors
Schreiber, R., Luong, N., Fan, Z., Kuzyk, A., Nickels, P. C., Zhang, T., Smith, D. M., Yurke, B., Kuang, W., Govorov, A. O., & Liedl, T.
Venue
Nature Communications
Published
2013-12-13
Volume
4
Issue
1
Pages
2948-2948
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2104061650
Cited by
340
References
40
FWCI
11.34
Type
journal article
Language
en
Open access
hybrid

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