title: Thermal drawing of high-density macroscopic arrays of well-ordered sub-5-nm-diameter nanowires.
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.
authors.affiliation: CREOL, The College of Optics & Photonics, University of Central Florida, Orlando, Florida 32816, United States.
authors.forename: Joshua J
authors.initials: JJ
authors.lastname: Kaufman
authors.forename: Guangming
authors.initials: G
authors.lastname: Tao
authors.forename: Soroush
authors.initials: S
authors.lastname: Shabahang
authors.forename: Daosheng S
authors.initials: DS
authors.lastname: Deng
authors.forename: Yoel
authors.initials: Y
authors.lastname: Fink
authors.forename: Ayman F
authors.initials: AF
authors.lastname: Abouraddy
mesh_terms: D006358:Hot Temperature; D046911:Macromolecular Substances / Q000737:chemistry; D008422:Materials Testing; D008968:Molecular Conformation; D043942:Nanotubes / Q000737:chemistry* / Q000648:ultrastructure*; D010316:Particle Size; D013499:Surface Properties
chemical_list: D046911:Macromolecular Substances