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).
SUBMITTER: Wang P
PROVIDER: S-EPMC8001780 | biostudies-literature |
REPOSITORIES: biostudies-literature
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