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Two of the biggest losses in conventional solar cells are reflections and carrier thermalization. The nanowire geometry presented here has the potential to mitigate both of these losses [1, 2], however it requires nonconventional and non-planer fabrication procedures. Presented here is a facile synthesis of nanowire array solar cells consisting of a metal oxide heterojunction. The nanowires consist...
Large arrays of cross-reactive sensor elements offer the ability to identify vapors from the signature response of the ensemble. We create an array of heterogeneous gas sensing microassemblies using dielectrophoretic assembly of various nanomaterials on silicon. Gas sensitive materials include reduced graphene oxide (rGO) platelets, single wall carbon nanotubes, and copper oxide nanowires. The array...
A gas sensor based upon an array of reduced graphene oxide (RGO) and single wall carbon nanotube (SWNT) micro-assemblies is presented. Due to the nature of their structure and exceptional surface-to-volume ratio, graphene sheets and carbon nanotubes demonstrate unparalleled chemisorption properties, providing greater sensitivities than a bulk material. Micro-assemblies of RGO platelets and SWNT's...
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