The Influence of Tin Ions on the Thermal Property of β-FeOOH Nanorods

Abstract:

The properties of akaganeite (β-FeOOH) are affected by the coexisting ions and can be changed by doping various ions. Tin doped β-FeOOH nanorods were prepared using β-FeOOH nanorods as the precursor under hydrothermal conditions. The effect of tin ions on the thermal property of β-FeOOH was investigated. The doping of tin ions was confirmed by X-ray powder diffraction, energy dispersive spectroscopy, and atomic emission spectrometer analysis. The adsorption of tin ions on the surface of β-FeOOH could prevent the transformation from β-FeOOH nanorods to α-Fe₂O₃ in solution. Thermogravimetric analysis and differential thermal analysis showed they have different thermal decomposition temperatures. β-FeOOH nanorods were transformed into α-Fe₂O₃ particles at 400 °C. While tin doped β-FeOOH nanorods should be heated to 600 °C. Tin doped β-FeOOH nanorods showed higher thermal stability than that of β-FeOOH nanorods. The presence of tin ions is favor of the formation of rod like shape.

• Periodical: Advanced Materials Research (Volumes 311-313)
• Pages: 507-511
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.311-313.507
• Online since: August 2011
• Authors: Wei Wei Wang, Jia Liang Yao
• Keywords: Akaganeite, Nanoparticle, Thermal Property, Tin Ion

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