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Journal of Nanomaterials
Volume 2013 (2013), Article ID 758395, 7 pages
http://dx.doi.org/10.1155/2013/758395
Research Article

Nanofibrous p-n Junction and Its Rectifying Characteristics

Australian Future Fibres Research and Innovation Centre, Deakin University, Geelong, VIC 3220, Australia

Received 10 May 2013; Accepted 2 July 2013

Academic Editor: Raghavendra Hegde

Copyright © 2013 Jian Fang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Randomly oriented tin oxide (SnO2) nanofibers and poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate)/polyvinylpyrrolidone (PEDOT:PSS/PVP) nanofibers were prepared by a two-step electrospinning technique to form a layered fibrous mat. The current-voltage measurement revealed that the fibrous mat had an obvious diode-rectifying characteristic. The thickness of the nanofiber layers was found to have a considerable influence on the device resistance and rectifying performance. Such an interesting rectifying property was attributed to the formation of a - junction between the fibrous SnO2 and PEDOT:PSS/PVP layers. This is the first report that a rectifying junction can be formed between two layers of electrospun nanofiber mats, and the resulting nanofibrous diode rectifier may find applications in sensors, energy harvest, and electronic textiles.