Abstract
In this work, Polyaniline (PANI) microtubes and magnetite (Fe3O4) nanoparticles have been synthesized by using ammonium persulphate as oxidant via in-situ chemical oxidative polymerization in the presence of organic sulfonic acid. The resulting PANI / Fe3O4 nanocomposite materials have been characterized by X-ray diffraction, UV-visible spectroscopy, Fourier transform infrared spectroscopy, scanning electron microscopy, transmission electron microscopy, vibrating sampling magnetometer, and thermogravimetric analysis. Spectroscopic results indicated formation of Fe3O4 nanoparticles on PANI micro tubes. Morphologies of PANI / Fe3O4 nanocomposites were found to be dependent on the molar ratios of aniline to organic acid. As obtained PANI / Fe3O4 nanocomposites contained Fe3O4 particles in the range of 3-7 nm in size which showed superparamagnetism. Nanocomposites exhibited higher thermal stability compared to pure PANI.
Keywords: Magnetite nanoparticles, polyaniline tubes, self-assembly, superparamagnetism, thermal stability
Current Nanoscience
Title:One-pot Synthesis of Superparamagnetic Polyaniline Microtubes and Magnetite Nanoparticles Via Self-Assembly Method
Volume: 8 Issue: 2
Author(s): K. Basavaiah and A. V. Prasada Rao
Affiliation:
Keywords: Magnetite nanoparticles, polyaniline tubes, self-assembly, superparamagnetism, thermal stability
Abstract: In this work, Polyaniline (PANI) microtubes and magnetite (Fe3O4) nanoparticles have been synthesized by using ammonium persulphate as oxidant via in-situ chemical oxidative polymerization in the presence of organic sulfonic acid. The resulting PANI / Fe3O4 nanocomposite materials have been characterized by X-ray diffraction, UV-visible spectroscopy, Fourier transform infrared spectroscopy, scanning electron microscopy, transmission electron microscopy, vibrating sampling magnetometer, and thermogravimetric analysis. Spectroscopic results indicated formation of Fe3O4 nanoparticles on PANI micro tubes. Morphologies of PANI / Fe3O4 nanocomposites were found to be dependent on the molar ratios of aniline to organic acid. As obtained PANI / Fe3O4 nanocomposites contained Fe3O4 particles in the range of 3-7 nm in size which showed superparamagnetism. Nanocomposites exhibited higher thermal stability compared to pure PANI.
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Cite this article as:
Basavaiah K. and V. Prasada Rao A., One-pot Synthesis of Superparamagnetic Polyaniline Microtubes and Magnetite Nanoparticles Via Self-Assembly Method, Current Nanoscience 2012; 8 (2) . https://dx.doi.org/10.2174/157341312800167722
DOI https://dx.doi.org/10.2174/157341312800167722 |
Print ISSN 1573-4137 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6786 |
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