Thermal Drawing of High-Density Macroscopic Arrays of Well-Ordered Sub-5-nm-Diameter Nanowires

    Authors

    J. J. Kaufman; G. M. Tao; S. Shabahang; D. S. S. Deng; Y. Fink;A. F. Abouraddy

    Comments

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    Abbreviated Journal Title

    Nano Lett.

    Keywords

    nanowire synthesis; thermal fiber drawing; multimaterial fibers; nanowire arrays; PHOTONIC-CRYSTAL FIBERS; SEMICONDUCTOR NANOWIRES; OPTICAL-FIBER; ENERGY-CONVERSION; SILICON NANOWIRES; NANOTUBES; ELECTRODEPOSITION; NANOSTRUCTURES; FABRICATION; GLASSES; Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &; Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter

    Abstract

    We investigate the lower limit of nanowire diameters stably produced by the process of thermal fiber drawing and fiber tapering. A centimeter-scale macroscopic cylindrical preform containing the nanowire material in the core encased in a polymer scaffold cladding is thermally drawn in the viscous state to a fiber. By cascading several iterations of the process, continuous reduction of the diameter of an amorphous semiconducting chalcogenide glass is demonstrated. Starting from a 10-mm-diameter rod we thermally draw hundreds of meters of continuous sub-5-nm-diameter nanowires. Using this approach, we produce macroscopic lengths of high-density, well-ordered, globally oriented nanowire arrays.

    Journal Title

    Nano Letters

    Volume

    11

    Issue/Number

    11

    Publication Date

    1-1-2011

    Document Type

    Article

    Language

    English

    First Page

    4768

    Last Page

    4773

    WOS Identifier

    WOS:000296674700048

    ISSN

    1530-6984

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