Monodisperse hematite porous nanospheres: synthesis, characterization, and applications for gas sensors

Publisher:
Institute of Physics (UK)
Publication Type:
Journal article
Citation:
Gou Xinglong et al. 2008, 'Monodisperse hematite porous nanospheres: synthesis, characterization, and applications for gas sensors', Institute of Physics (UK), vol. 19, pp. 125606-1-125606-7.
Issue Date:
2008
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Monodisperse a-Fe2O3 porous nanospheres with uniform shape and size have been synthesized via a facile template-free route. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), high-resolution TEM (HRTEM), and Raman spectroscopy were employed to characterize the product, showing the high quality of the as-prepared a-Fe2O3 porous nanospheres. Furthermore, the a-Fe2O3 porous nanospheres can selectively detect ethanol, formaldehyde and acetic acid, with a rapid response and high sensitivity, from a series of flammable and toxic/corrosive gases, indicating their potential applications for high sensitivity gas sensors.
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