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Oriented Gold Nanoparticle-Polyaniline Nanorods with Nanofibers of Controlled Density on Their Surface

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Abstract:

We report here the preparation of fibrous gold nanoparticles—polyaniline (PANI) nanorod composite as an extension of our previous work in nanostructured conducting polymers. We have been able to control the amount of gold particles and the density of nanofibers covering the surface of the nanorods, which are characterized by selected area electron diffraction (SAED), X-ray diffraction (XRD) and transmission electron microscopy (TEM). The morphology of PANI products is confirmed by both scanning electron microscopy (SEM) and TEM. The effect of reaction conditions on the morphology of PANI nanostructures is also studied. The chemical and electronic structures of the PANI nanorods are determined by Fourier transform IR (FTIR) and UV-vis spectrometry. IV curves of as-prepared PANI nanostructures measured by conductive atomic force microscopy (c-AFM) indicate negative differential resistance (NDR) behavior.

Keywords: COMPOSITE; GOLD NANOPARTICLES; NANOFIBERS; NANOROD; POLYANILINE

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2010.2162

Publication date: April 1, 2010

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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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