Table of Contents
Journal of Nanoparticles
Volume 2015, Article ID 105862, 8 pages
Research Article

Issues Affecting the Synthetic Scalability of Ternary Metal Ferrite Nanoparticles

1Department of Chemistry, Rice University, Houston, TX 77005, USA
2Department of Materials Science and Nanoengineering, Rice University, Houston, TX 77005, USA
3Energy Safety Research Institute, College of Engineering, Swansea University, Singleton Park, Swansea SA2 8PP, UK

Received 30 March 2015; Accepted 20 May 2015

Academic Editor: Tapas Sen

Copyright © 2015 Lauren Morrow and Andrew R. Barron. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Ternary Mn-Zn ferrite (MnxZn1-xFe2O4) nanoparticles (NPs) have been prepared by the thermal decomposition of an oleate complex, sodium dodecylbenzenesulfonate (SDBS) mediated hydrazine decomposition of the chloride salts, and triethylene glycol (TREG) mediated thermal decomposition of the metal acetylacetonates. Only the first method was found to facilitate the synthesis of uniform, isolable NPs with the correct Mn : Zn ratio (0.7 : 0.3) as characterized by small angle X-ray scattering (SAXS), transmission electron microscopy (TEM), and inductively coupled plasma-optical emission spectroscopy (ICP-OES). Scaling allowed for retention of the composition and size; however, attempts to prepare Zn-rich ferrites did not result in NP formation. Thermogravimetric analysis (TGA) indicated that the incomplete decomposition of the metal-oleate complexes prior to NP nucleation for Zn-rich compositions is the cause.