TechConnect World Innovation Conference and Expo June 14-17, 2015, Washington, DC
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Colocated events, NISS, SBIR, Nanotech
National SBIR Conference National Innovation Summit Nanotech 2015
TechConnect World 2015
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Synthesis, Characterization, and Formation Mechanism of Crystalline Cu and Ni Metallic Nanowires under Ambient, Seedless, Surfactantless Conditions

C.S. Lewis, L. Wang, H. Liu, J. Han, S.S. Wong
Department of Chemistry, US

Keywords: metal nanowires, Cu, Ni, template, ambient solution growth

Summary:

In this report, crystalline elemental Cu and Ni nanowires have been successfully synthesized through a simplistic, malleable, solution-based protocol involving the utilization of a U-tube double diffusion apparatus under ambient conditions. The nanowires prepared within the 50 and 200 nm template membrane pore channels maintain diameters ranging from ~90-230 nm with lengths attaining the micrometer scale. To mitigate for the unwanted but very facile oxidation of these nanomaterials to their oxide analogues, our synthesis mechanism relies on a carefully calibrated reaction between the corresponding metal precursor solution and an aqueous reducing agent solution, resulting in the production of pure, monodisperse metallic nanostructures. These as-prepared nanowires were subsequently characterized from an applications’ perspective so as to investigate their optical and photocatalytic properties.

 

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