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Self-assembly of metallic nanoparticles into plasmonic rings

Thomas Lerond 1 Julien Proust 1 Hélène Yockell-Lelièvre 1 Davy Gérard 1 Jérôme Plain 1
1 LNIO - Laboratoire de Nanotechnologie et d'Instrumentation Optique
ICD - Institut Charles Delaunay
Abstract : Metallic nanoparticles are self-assembled into plasmonic nanorings. The self-assembly is evaporation-induced and is driven using a template of dielectric microspheres. We obtain well-ordered arrays of metallic nanorings over large areas. The inner and outer diameters of the rings, as well as the pitch of the array, are fully controllable. The optical resonances supported by the plasmonic rings are then characterized using extinction spectroscopy. Our approach opens a simple and inexpensive road to create plasmonic structures that can find applications as metamaterials or substrates for enhanced spectroscopies.
Keywords : Polymers Nanoparticles Plasmonics Optical extinction spectroscopy Optical resonators Glass Transition metals Optical microscopy Electromagnetism Quantum dots
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Journal articles
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https://hal-utt.archives-ouvertes.fr/hal-02448348
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Submitted on : Wednesday, January 22, 2020 - 11:40:39 AM
Last modification on : Thursday, January 23, 2020 - 1:39:52 AM

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Thomas Lerond, Julien Proust, Hélène Yockell-Lelièvre, Davy Gérard, Jérôme Plain. Self-assembly of metallic nanoparticles into plasmonic rings. Applied Physics Letters, American Institute of Physics, 2011, 99 (12), pp.123110. ⟨10.1063/1.3643057⟩. ⟨hal-02448348⟩

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