The authors report on the assembly and electrical properties of ultralong copper oxide (CuO) nanofibers prepared by electrospinning method. The prepared CuO nanofibers were polycrystalline, with diameter of ∼60nm and length over 100μm. By a specially designed fiber collector, single CuO nanofiber field-effect transistor (FET) was assembled directly. Electrical transport measurement was conducted on the nanowire FET device, showing that CuO nanofibers are intrinsic p-type semiconductor. Electrospinning is thus proposed as a simple and low-cost method of fabricating one-dimensional semiconductive ceramic FETs.
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Wu et al. (2006) studied this question.
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