Journal
NANO LETTERS
Volume 9, Issue 4, Pages 1482-1486Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl803417v
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- NSERC
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This paper describes the use of chemical cross-linking of ultrathin inorganic nanowires; as a bottom-up strategy for nanostructure fabrication as well as a chemical detection platform. Nanowire microfibers are produced by spinning a nanowire dispersion into a cross-linker solution at room temperature. Nanomembranes with thicknesses down to 50 nm were obtained by injecting the nanowire dispersion at the crosslinker-solution/air interface. Furthermore, the sensitivity of the nanowire to amine cross-linkers allowed development of a novel sensing platform for small molecules, like the neurotransmitter serotonin, with detection limits in the picomolar regime.
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