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2017 ; 3
(5
): e1602735
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Chiral plasmonics
#MMPMID28560336
Hentschel M
; Schäferling M
; Duan X
; Giessen H
; Liu N
Sci Adv
2017[May]; 3
(5
): e1602735
PMID28560336
show ga
We present a comprehensive overview of chirality and its optical manifestation in
plasmonic nanosystems and nanostructures. We discuss top-down fabricated
structures that range from solid metallic nanostructures to groupings of metallic
nanoparticles arranged in three dimensions. We also present the large variety of
bottom-up synthesized structures. Using DNA, peptides, or other scaffolds,
complex nanoparticle arrangements of up to hundreds of individual nanoparticles
have been realized. Beyond this static picture, we also give an overview of
recent demonstrations of active chiral plasmonic systems, where the chiral
optical response can be controlled by an external stimulus. We discuss the
prospect of using the unique properties of complex chiral plasmonic systems for
enantiomeric sensing schemes.