Synthesis of Leaf-Shaped α-Fe2O3 Nanoflakes

Abstract:

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We report the synthesis of single-crystalline α-Fe2O3 nanoflakes by the oxidation reaction of water vapor through a gas-solid method. The samples are characterized by scanning electron microscopy (SEM), atomic force microscopy (AFM), X-ray diffraction (XRD), micro-Raman spectrometer, and transmission electron microscopy (TEM). As-synthesized nanoflakes have a pseudotriangle morphology: 20-50 nm in thickness, 0.5-1.5 μm in length and base-width. It is observed that vertically aligned arrays of leaf-like α-Fe2O3 grow at the verges of the iron foils. The possible mechanism is discussed to elucidate the formation of α-Fe2O3 nanostructures. The experimental results indicate that water vapor plays an important role in controlling the morphology of the final products.

Info:

Periodical:

Advanced Materials Research (Volumes 160-162)

Edited by:

Guojun Zhang and Jessica Xu

Pages:

1006-1011

DOI:

10.4028/www.scientific.net/AMR.160-162.1006

Citation:

Q. Han et al., "Synthesis of Leaf-Shaped α-Fe2O3 Nanoflakes", Advanced Materials Research, Vols. 160-162, pp. 1006-1011, 2011

Online since:

November 2010

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Price:

$35.00

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