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Room temperature synthesis of magnetic nanoparticles

M. RĂCUCIU1,* , D. E. CREANGĂ2, A. AIRINEI3, V. BĂDESCU4

Affiliation

  1. “Lucian Blaga” University, Faculty of Science, Dr.Ratiu Street, No.5-7, Sibiu, 550024, Romania
  2. “Al. I. Cuza”University, Faculty of Physics, 11A Blvd.Copou, 700506, Iasi, Romania
  3. P.Poni Macromolecular Chemistry Institute, Iasi, Romania
  4. National Institute of R&D for Technical Physics, 47 Blvd. D. Mangeron, Iasi, Romania

Abstract

In this study, we report a rapid solvent-free synthesis method, using inorganic ferrous and ferric solids together with surfactant molecules to produce mono-dispersed magnetite - the reaction being induced at room temperature this way avoiding any heating. Such a solvent free experimental approach provides environmental advantages since the toxic chemicals generation does not occur. Dimensional analysis of magnetic nanoparticles was accomplished by means of transmission electron microscopy (TEM) and by magnetic measurements revealing mean values of 9.17 nm and respectively 3.8 nm. Infrared absorption spectra (FT-IR), recorded aiming to get some information on the functionalized magnetic nanoparticles composition revealed the presence of iron oleate onto the magnetic core. The colloidal suspensions density, viscosity and surface tension were measured using standard methods their values indicating convenient rheological properties for technical applications.

Keywords

Magnetic nanoparticles synthesis, Magnetic properties, Size analysis, TEM, IR spectra.

Submitted at: Sept. 1, 2008
Accepted at: Nov. 11, 2008

Citation

M. RĂCUCIU, D. E. CREANGĂ, A. AIRINEI, V. BĂDESCU, Room temperature synthesis of magnetic nanoparticles, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 11, pp. 2928-2931 (2008)