期刊
CHEMICAL ENGINEERING JOURNAL
卷 170, 期 1, 页码 278-285出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2011.03.010
关键词
Iron oxide; Sugar; Nanoparticles; Chemical preparation
资金
- council of University of Kashan
Shape- and size-controlled single-phase alpha-Fe(2)O(3) (hematite) nanoparticles have been successfully synthesized via a simple and facile thermal treatment route using modified precursors. At first, various ferric-surfactant systems such as: ferric-sugars, ferric-hydrazine, ferric-oleic acid, and ferric-sugar-hydrazine were prepared via a wet-chemical precipitation method and then, these intermediate adducts as precursor were decomposed in at ordinary atmosphere to iron oxide. The morphology and particle size of products were investigated by SEM and TEM images and XRD patterns. These results revealed that the best quality alpha-Fe(2)O(3) nanoparticles are synthesized through thermal decomposition of ferric-glucose precursor with molar ratio of 1:8 heated at 500 degrees C in a step-wise manner. (C) 2011 Elsevier B.V. All rights reserved.
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