NDLI: Facile synthesis of magnetic metal (Mn, Fe, Co, and Ni) oxides nanocrystals via a cation-exchange reaction

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Nanoscale Vol -2

Nanoscale Vol -1

Facile synthesis of magnetic metal (Mn, Fe, Co, and Ni) oxides nanocrystals via a cation-exchange reaction

Content Provider	Royal Society of Chemistry (RSC)
Author	Zou, Bo Wang, Li Ning, Jiajia Zou, Guangtian Liu, Bingbing Xiao, Guanjun
Copyright Year	2011
Abstract	Magnetic metal (Mn, Fe, Co, and Ni) oxides nanocrystals with small size and uniform size distribution are synthesized via a cation-exchange reaction. Two experimental stages are included in the synthesis of metal oxides nanocrystals. Firstly, Cu(OH)2 decomposes to CuO nanocrystals, induced by free metal cations. Compared to CuO nanocrystals produced without any free metal cation, the free metal cation has an important influence on the shape and size of CuO. Secondly, free metal cations exchange with the Cu2+ cation in the CuO nanocrystals to get Mn3O4, Fe2O3, CoO and NiO nanocrystals by cation-exchange reactions. The magnetic properties of these metal oxides nanocrystals have been investigated, all the nanocrystals are superparamagnetic at room temperature.
Starting Page	741
Ending Page	745
Page Count	5
File Format	HTM / HTML PDF
ISSN	20403364
Volume Number	3
Issue Number	2
Journal	Nanoscale
DOI	10.1039/c0nr00684j
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Copper(II) oxide Ion Superparamagnetism Ion exchange
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology

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