Preparation of Ni/γ-Fe2O3 Composite Nanowires

Abstract

Abstract: With the silanized porous anodic alumina(PAA) as a templates, an array of concentric composite nanostructures of Ni nanotubes/γ-Fe₂O₃ nanowires were prepared by electrodeposition and chemical precipitation. The microstructure of the nanowires and nanotubes was studied by employing the transmission electron mircoscope(TEM) and X-ray diffraction(XRD) techniques respectively. The results show that the diameter of composite nanowires is about 50 nm, the shell of the composite nanowires is the amorphous Ni nanotuble with a thickness from 4-15 nm by varying electrodeposition parameters and it coats a polycrystalline γ-Fe₂O₃ core.

Key words: PAA template, Composite nanowires, Electrodeposition, Ni/γ-Fe₂O₃

CLC Number:

O614

TrendMD:

CHEN Yan, YAN Hong, ZHANG Xiang-Yi. Preparation of Ni/γ-Fe₂O₃ Composite Nanowires[J]. Chem. J. Chinese Universities, 2005, 26(9): 1610.

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Preparation of Ni/γ-Fe₂O₃ Composite Nanowires

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