Title of article :
A novel method to prepare magnetic nanoparticles: precipitation in bicontinuous microemulsions
Author/Authors :
Jesu´ s Esquivel، نويسنده , , Isabel A. Facundo، نويسنده , , M. Esther Trevin?o، نويسنده , , Rau´l G. Lo´pez، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 2007
Pages :
6
From page :
9015
To page :
9020
Abstract :
A novel method to prepare iron oxide nanoparticles by precipitation in bicontinuous microemulsions is reported. Precipitation reactions were carried out in microemulsions stabilized with a mixture of dodecyltrimethylammonium bromide/didodecyldimethylammonium bromide (3/2, w/w). Nanoparticles were characterized by X-ray diffraction, transmission electronic microscopy (TEM) and vibrating sample magnetometry (VSM), and consisted of magnetite or a mixture of magnetite and maghemite. The particles have an average diameter of 8 nm with a relatively narrow particle size distribution and show possible superparamagnetic behavior. Noticeably higher yields of precipitate are observed for this new approach in comparison with those typicall obtained using reverse microemulsions.
Journal title :
Journal of Materials Science
Serial Year :
2007
Journal title :
Journal of Materials Science
Record number :
833642
Link To Document :
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