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Journal Articles Micromachines Year : 2021

Chemosensing on Miniaturized Plasmonic Substrates

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Abstract

Round, small-sized coverslips were coated for the first time with thin layers of indium tin oxide (ITO, 10–40 nm)/gold (Au, 2–8 nm) and annealed at 550 °C for several hours. The resulting nanostructures on miniaturized substrates were further optimized for the localized surface plasmon resonance (LSPR) chemosensing of a model molecule—1,2-bis-(4-ppyridyl)-ethene (BPE)—with a detection limit of 10−12 M BPE in an aqueous solution. All the fabrication steps of plasmonic-annealed platforms were characterized using scanning electron microscopy (SEM) and atomic force microscopy (AFM).

Dates and versions

hal-03619708 , version 1 (25-03-2022)

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Pengcheng Wang, Rodica Elena Ionescu. Chemosensing on Miniaturized Plasmonic Substrates. Micromachines, 2021, 12 (3), pp.275. ⟨10.3390/mi12030275⟩. ⟨hal-03619708⟩

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