Nano Archive

Current-€“Voltage Characteristics in Individual Polypyrrole Nanotube, Poly(3,4-ethylenedioxythiophene) Nanowire, Polyaniline Nanotube, and CdS Nanorope

Yin, Zhi-Hua and Long, Yun-Ze and Gu, Chang-Zhi and Wan, Mei-Xiang and Duvail, Jean Luc (2009) Current-€“Voltage Characteristics in Individual Polypyrrole Nanotube, Poly(3,4-ethylenedioxythiophene) Nanowire, Polyaniline Nanotube, and CdS Nanorope. Nanoscale Research Letters, 4 (1). pp. 63-69. ISSN 1931-7573 (Print) 1556-276X (Online)

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Official URL: http://www.springerlink.com/content/m32523117n6132...

Abstract

In this paper, we focus on current–voltage (I–V) characteristics in several kinds of quasi-one-dimensional (quasi-1D) nanofibers to investigate their electronic transport properties covering a wide temperature range from 300 down to 2 K. Since the complex structures composed of ordered conductive regions in series with disordered barriers in conducting polymer nanotubes/wires and CdS nanowires, all measured nonlinear I–V characteristics show temperature and field-dependent features and are well fitted to the extended fluctuation-induced tunneling and thermal excitation model (Kaiser expression). However, we find that there are surprisingly similar deviations emerged between the I–V data and fitting curves at the low bias voltages and low temperatures, which can be possibly ascribed to the electron–electron interaction in such quasi-1D systems with inhomogeneous nanostructures.

Item Type:Article
Uncontrolled Keywords:Conducting polymers - I–V characteristics - FIT model - Nanowires/tubes
Subjects:Physical Science > Nanoelectronics
ID Code:3656
Deposited By:Lesley Tobin
Deposited On:19 Jan 2009 13:40
Last Modified:19 Feb 2009 18:18

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