An aligned octahedral core in a nanocage

Synthesis, plasmonic, and catalytic properties

Evgeniia Khairullina, Kseniia Mosina, Rachelle M. Choueiri, Andre Philippe Paradis, Ariel Alcides Petruk, German Sciaini, Elena Krivoshapkina, Anna Lee, Aftab Ahmed, Anna Klinkova

Research outputpeer-review

Abstract

Plasmonic metal nanostructures with complex morphologies provide an important route to tunable optical responses and local electric field enhancement at the nanoscale for a variety of applications including sensing, imaging, and catalysis. Here we report a high-concentration synthesis of gold core-cage nanoparticles with a tethered and structurally aligned octahedral core and examine their plasmonic and catalytic properties. The obtained nanostructures exhibit a double band extinction in the visible-near infrared range and a large area electric field enhancement due to the unique structural features, as demonstrated using finite difference time domain (FDTD) simulations and confirmed experimentally using surface enhanced Raman scattering (SERS) tests. In addition, the obtained structures had a photoelectrochemical response useful for catalyzing the CO 2 electroreduction reaction. Our work demonstrates the next generation of complex plasmonic nanostructures attainable via bottom-up synthesis and offers a variety of potential applications ranging from sensing to catalysis.

Original languageEnglish
Pages (from-to)3378-3385
Number of pages8
JournalNanoscale
Volume11
Issue number7
DOIs
Publication statusPublished - 21 Feb 2019

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Nanostructures
Catalysis
Electric fields
Light extinction
Carbon Monoxide
Gold
Raman scattering
Metals
Nanoparticles
Infrared radiation
Imaging techniques

Scopus subject areas

  • Materials Science(all)

Cite this

Khairullina, E., Mosina, K., Choueiri, R. M., Paradis, A. P., Petruk, A. A., Sciaini, G., ... Klinkova, A. (2019). An aligned octahedral core in a nanocage: Synthesis, plasmonic, and catalytic properties. Nanoscale, 11(7), 3378-3385. https://doi.org/10.1039/c8nr09731c
Khairullina, Evgeniia ; Mosina, Kseniia ; Choueiri, Rachelle M. ; Paradis, Andre Philippe ; Petruk, Ariel Alcides ; Sciaini, German ; Krivoshapkina, Elena ; Lee, Anna ; Ahmed, Aftab ; Klinkova, Anna. / An aligned octahedral core in a nanocage : Synthesis, plasmonic, and catalytic properties. In: Nanoscale. 2019 ; Vol. 11, No. 7. pp. 3378-3385.
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Khairullina, E, Mosina, K, Choueiri, RM, Paradis, AP, Petruk, AA, Sciaini, G, Krivoshapkina, E, Lee, A, Ahmed, A & Klinkova, A 2019, 'An aligned octahedral core in a nanocage: Synthesis, plasmonic, and catalytic properties', Nanoscale, vol. 11, no. 7, pp. 3378-3385. https://doi.org/10.1039/c8nr09731c

An aligned octahedral core in a nanocage : Synthesis, plasmonic, and catalytic properties. / Khairullina, Evgeniia; Mosina, Kseniia; Choueiri, Rachelle M.; Paradis, Andre Philippe; Petruk, Ariel Alcides; Sciaini, German; Krivoshapkina, Elena; Lee, Anna; Ahmed, Aftab; Klinkova, Anna.

In: Nanoscale, Vol. 11, No. 7, 21.02.2019, p. 3378-3385.

Research outputpeer-review

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Khairullina E, Mosina K, Choueiri RM, Paradis AP, Petruk AA, Sciaini G et al. An aligned octahedral core in a nanocage: Synthesis, plasmonic, and catalytic properties. Nanoscale. 2019 Feb 21;11(7):3378-3385. https://doi.org/10.1039/c8nr09731c