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Template-Free Synthesis and Properties of Polyaniline Nanostructures Doped with Different Oxidants

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Abstract:

In this work, we report on conducting polyaniline (PANI) nanostructures synthesized by a simplified template-free self-assembly method, which are doped with different oxidants such as ammonium persulfate (APS), FeCl3, Fe(NO3)3, and Fe2(SO4)3. It is found that the morphologies of the as-prepared PANI nanowires are dependent on the oxidant and the molar ratio of aniline to oxidant. The PANI nanostructures are semiconducting with room-temperature conductivity ranging from 10-2 to 100 S/cm, and the temperature dependence of conductivity follows three-dimensional Mott variable range hopping (3D Mott-VRH) model. In addition, the PANI pellets exhibit hydrophilic behavior.

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Periodical:

Materials Science Forum (Volume 688)

Pages:

334-338

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.688.334

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Online since:

June 2011

Authors:

He Yang, Yun-Ze Long, Hang Jun Ding

Keywords:

Conducting Polyaniline, Conductivity, Nanowire, Self-Assembly

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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