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Electrical Characterization of a Single Electrospun Porous Nanostructured Tin Oxide Ribbon

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Abstract:

A single nanostructured porous tin oxide ribbon, with its length, width and thickness of more than 1 mm, around 20 μm and around 20 nm, respectively, were fabricated using electrospinning, and electrically characterized in a temperature range between 300 K and 90 K, a magnetic field range from −9 to 9 T (negative sign stands for the reverse direction), and the environment of air and vacuum. The electrical conductivity (σ) of the ribbon was found insensitive to magnetic field, but sensitive to temperature and environment. Its response time to air evacuation is 67 ± 7 s. The strong temperature dependence of σ in vacuum is controlled by the three-dimension variable-range hopping of localized electrons.

Keywords: CONDUCTING MECHANISM; ELECTRICAL CHARACTERIZATION; ENVIRONMENTAL EFFECT; NANOSTRUCTURE; POROSITY; RIBBON; TIN OXIDE

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2010.2151

Publication date: 2010-03-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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