One-pot Synthesis of Superparamagnetic Polyaniline Microtubes and Magnetite Nanoparticles Via Self-Assembly Method

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.

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