Controlled Synthesis of β-FeOOH Nanorods via a Facile Hydrothermal Route

Pei Hong Ning; Yong Gang Wei; Hua Wang; Kong Zhai Li

doi:10.4028/www.scientific.net/AMM.536-537.1473

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 536-537Controlled Synthesis of β-FeOOH Nanorods via a...

Controlled Synthesis of β-FeOOH Nanorods via a Facile Hydrothermal Route

Abstract:

Rod-shaped β-FeOOH was synthesized through a well controlled hydrothermal reaction of FeCl₃and NH₂CONH₂. By varying the preparatory conditions such as NH₂CONH₂ concentration and reaction parameter we could establish precise control on the morphology of the sample. X-ray powder diffraction (XRD), transmission electron microscopy (TEM), and selected area electron diffraction (SAED) were used to characterize the as-prepared products. The results showed the aspect ratio and mean size of theβ-FeOOH nanorods was achieved systematic control by regulating the concentration of urea. When the experimental time increased to 96h, the morphology of the resulting β-FeOOH changed from rod to nanocubes. Furthermore, the resulting rod-shaped iron hydroxides were transformed into pseudocube α-Fe₂O₃ by increasing the synthesis temperature at 160°C.

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Periodical:

Applied Mechanics and Materials (Volumes 536-537)

Pages:

1473-1476

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.536-537.1473

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Online since:

April 2014

Authors:

Pei Hong Ning, Yong Gang Wei, Hua Wang, Kong Zhai Li*

Keywords:

Hydrothermal Reaction, Iron Oxyhydroxides, Nanorod

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* - Corresponding Author

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