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Poster De Conférence Année : 2014

Description of a technique based on the indirect nanoplasmonic sensing to probe the adsorption/reactivity of gas with nanoparticles

Résumé

The indirect nanoplasmonic sensing lets us to follow the adsorption/reactivity of gas on nanoparticles. We measure a shift in wavelength of the localized surface plasmon resonance signal of gold nanodisks on which nanoparticles are deposited. Indeed during the adsorption/reactivity of gas molecules on nanoparticles the dielectric properties at the surface of the nanoparticles are changed and it generates a displacement of the localized surface plasmon resonance wavelength of the underlying gold nanodetector [1]. We describe in this poster the different steps of the gold nanodisks fabrication (lift-off process), the experimental set-up and we show preliminary results obtained with water vapour on carbon nanoparticles. [1] E. M. Larsson, C. Langhammer, I. Zoric, B. Kasemo, "Nanoplasmonic Probes of Catalytic Reactions", Science 326, 1091-1094 (2009)
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hal-01895876 , version 1 (03-12-2020)

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  • HAL Id : hal-01895876 , version 1

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Benjamin Demirdjian, F. Bedu, A. Ranguis, Igor Ozerov, Claude R Henry. Description of a technique based on the indirect nanoplasmonic sensing to probe the adsorption/reactivity of gas with nanoparticles. Second International Workshop on Metallic Nano-Objects (MNO 2014), Nov 2014, Lille, France. ⟨hal-01895876⟩
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