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Title

Tunable Plasmonics by Self-Assembled Stretchable Superlattices on Macroscopic Scale

AuthorsCharconnet, Mathias; Kuttner, Christian; Matricardi, Cristiano; Mihi, Agustín ; Liz Marzán, Luis M.; Seifert, Andreas
KeywordsLattice plasmons
Mechano-plasmonics
Self-assembly
Gold nanoparticles
Enhanced spectroscopy
Issue Date2019
PublisherInstitute of Electrical and Electronics Engineers
Citation2019 International Conference on Optical MEMS and Nanophotonics (OMN): 14-15 (2019)
AbstractWe present a process to create flexible 2D superlattices of nanoparticles, self-assembled into discrete and long-range ordered clusters. The process is readily scalable and grants access to mechano-responsive nanostructures on square centimeter areas. The elastic properties of the support allow for post-assembly tailoring of the lattice periodicity. The corresponding change in collective lattice coupling results in a gradual shift of the extinction maximum upon mechanical strain. Our results give a proof-of-principle for tunable plasmonics by mechano-responsive nanostructures.
Publisher version (URL)http://dx.doi.org/10.1109/OMN.2019.8925038
URIhttp://hdl.handle.net/10261/208844
Appears in Collections:(ICMAB) Comunicaciones congresos
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