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Optical properties of Au colloids self-organized into rings via copolymer templates

Abstract : The investigation of the localized surface plasmon resonance for plasmonic nanoparticles has opened new perspectives for optical nanosensors. Nowadays, an issue in plasmonics is the development of large scale and low cost devices. We focus here on the Langmuir–Blodgett technique to self-organize gold nanoparticles (~7 nm) into rings (~60 nm) via polystyrene-b-polymethylmethacrylate templates. In particular, we investigated the optical properties of organized gold nanoparticle rings over large areas and report experimental evidence for plasmon resonances of both individual nanoparticles and collective modes. This paves the way for designing devices with multiple resonances in the visible-infra-red spectrum and developing optical sensors.
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https://hal-utt.archives-ouvertes.fr/hal-02439696
Contributor : Daniel Gavrysiak <>
Submitted on : Tuesday, January 14, 2020 - 5:02:24 PM
Last modification on : Monday, July 20, 2020 - 1:06:06 PM

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Samuel Lamarre, Aurélien Sarrazin, Julien Proust, Hélène Yockell-Lelièvre, Jerome Plain, et al.. Optical properties of Au colloids self-organized into rings via copolymer templates. Journal of Nanoparticle Research, Springer Verlag, 2013, 15, pp.1656. ⟨10.1007/s11051-013-1656-8⟩. ⟨hal-02439696⟩

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