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The emerging field of nanotechnology research has made a great deal of progress in broadening the depth of knowledge related to the material properties and device application potentials of nanostructures such as carbon nanotubes (CNTs) and nanowires (NWs). These nanomaterials, as opposed to traditional thin-film or wafer-based planar materials, offer an array of desirable electrical, optical, and...
Arrays of chemical vapor sensors based on graphene field effect transistors functionalized with single-stranded DNA have been demonstrated. Standard photolithographic processing was adapted for use on large-area graphene by including a metal protection layer, which protected the graphene from contamination and enabled fabrication of high quality field-effect transistors (GFETs). Processed graphene...
Although metal oxide nanowires have been shown to be sensitive transducer materials when employed in gas sensors, e.g. such nanowire-based sensors have been shown to detect gaseous analytes at target concentrations of 1 μmol/mol and lower [1]; they suffer from the deleterious issue of cross-sensitivity to a broad range of gases. To address this issue, a new sensor device structure is detailed that...
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