Communication Dans Un Congrès Année : 2024

Plasmonic sensing

Résumé

Gold nanodisks are very effective plasmonic sensors. This is especially true when gas molecules adsorb onto or interact with them. This interaction alters the local dielectric properties and induces a wavelength shift in the gold localized surface plasmon resonance (LSPR). We used nanoplasmonic sensing (NPS) to investigate the interactions of various gas molecules with both bare and coated gold disks, as well as with nanoparticles or small atomic clusters supported on them. NPS is highly sensitive, quantitative, and non-destructive, which makes it well-suited for studying a wide range of gas pressures and temperatures.

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Dates et versions

hal-04737044 , version 1 (17-10-2024)

Identifiants

  • HAL Id : hal-04737044 , version 1

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Benjamin Demirdjian, Igor Ozerov, F. Bedu, Alain Ranguis, Claude R Henry. Plasmonic sensing. Journées plénieres du GDR Plasmonique Active, GDR Plasmonique Active, Oct 2024, Paris, France. ⟨hal-04737044⟩
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