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Chiral plasmonic DNA nanostructures with switchable circular dichroism

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, ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1038/ncomms3948

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
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Publisher:
Springer Nature Publisher's website
Journal:
Nature Communications Journal website
Volume:
4
Article number:
2948
Publication date:
2013-12-13
Acceptance date:
2013-11-15
DOI:
EISSN:
2041-1723
Source identifiers:
486934
Keywords:
UUID:
uuid:710ef9fb-18da-4a3d-9947-45aa3283f587
Local pid:
pubs:486934
Deposit date:
2014-10-17

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