Innovating Works

PLASMMONS

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Plasmons and Mechanical Motions at the Nano Scale Investigated with Frequency Do...
Plasmons and Mechanical Motions at the Nano Scale Investigated with Frequency Domain Experiments and Simulations Plasmons are oscillations of charge carriers in metallic nanoparticles that confine light in the nanometer length-scale. Translationally symmetric arrays of metallic nanoparticles, termed Plasmonic Super-Crystals (PSCs), can becom... Plasmons are oscillations of charge carriers in metallic nanoparticles that confine light in the nanometer length-scale. Translationally symmetric arrays of metallic nanoparticles, termed Plasmonic Super-Crystals (PSCs), can become an integral part of augmented light-harvesting technologies, like plasmonic solar cells and photocatalysts. A current limitation is that plasmons are fragile, short-living excitations, which are highly sensitive to the exact arrangement of matter at the nanoscale. The structural stability of PSCs is prone to multifarious nanomechanical motions such as nanoparticle-vibrations, colloidal phonons, and surface waves on the substrate. With this project, I aim to elucidate the role of nanomechanical motions on the plasmonic properties of PSCs. To achieve this goal I will employ White Light Absorption (WLA) to study plasmonic resonances and Brillouin Light Scattering (BLS) to study mechanical resonances. Plasmonically-enhanced BLS and spectroscopic investigation of plasmons in vibrationally-excited PSCs, will be used to reveal cross-talking between the two subsystems. A momentum-resolved view of vibrational waves will be acquired with angle-resolved BLS. The experimental results will be interpreted based on frequency-domain, finite-element simulations of plasmomechanical coupling phenomena. With this approach, I intend to adopt the concept of microscopic couplings from condensed-matter Physics, to a metamaterial and determine the fundamental excitations and interactions of these artificial structures. Understanding the interplay between plasmonic and structural degrees of freedom in PSCs is expected to pave the way for their use in plasmomechanical devices. ver más
31/10/2022
150K€
Duración del proyecto: 25 meses Fecha Inicio: 2020-09-30
Fecha Fin: 2022-10-31

Línea de financiación: concedida

El organismo H2020 notifico la concesión del proyecto el día 2022-10-31
Línea de financiación objetivo El proyecto se financió a través de la siguiente ayuda:
WF-02-2019: Widening Fellowships
Cerrada hace 5 años
Presupuesto El presupuesto total del proyecto asciende a 150K€
Líder del proyecto
UNIWERSYTET IM. ADAMA MICKIEWICZA WPOZNANIU No se ha especificado una descripción o un objeto social para esta compañía.
Perfil tecnológico TRL 4-5