Tunability of Size and Magnetic Moment of Iron Oxide Nanoparticles Synthesized by Forced Hydrolysis

Autor: Margriet J. Van Bael, Erik V. Van der Eycken, Kuo Zhong, Maarten Bloemen, Thierry Verbiest, Tom Swusten, Ben Sutens, Johanna K. Jochum, Ward Brullot
Rok vydání: 2016
Předmět:
Zdroj: Materials; Volume 9; Issue 7; Pages: 554
Materials, Vol 9, Iss 7, p 554 (2016)
Materials
ISSN: 1996-1944
DOI: 10.3390/ma9070554
Popis: To utilize iron oxide nanoparticles in biomedical applications, a sufficient magnetic moment is crucial. Since this magnetic moment is directly proportional to the size of the superparamagnetic nanoparticles, synthesis methods of superparamagnetic iron oxide nanoparticles with tunable size are desirable. However, most existing protocols are plagued by several drawbacks. Presented here is a one-pot synthesis method resulting in monodisperse superparamagnetic iron oxide nanoparticles with a controllable size and magnetic moment using cost-effective reagents. The obtained nanoparticles were thoroughly characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD) and Fourier transform infrared (FT-IR) measurements. Furthermore, the influence of the size on the magnetic moment of the nanoparticles is analyzed by superconducting quantum interference device (SQUID) magnetometry. To emphasize the potential use in biomedical applications, magnetic heating experiments were performed. ispartof: Materials vol:9 issue:7 pages:554-564 ispartof: location:Switzerland status: published
Databáze: OpenAIRE