Abstract
A novel low-temperature synthetic route, which is facile, low-cost and environmental friendly, has been successfully developed to prepare Fe3O4 microroses from inorganic iron sources in aqueous media. Filed-emission scanning electron microscopy and transmission electron microscopy observations indicate that the obtained rose-like Fe3O4 microstructure has a diameter of about 1–2μm, which is composed of curved nanoplates. The Brunauer–Emmett–Teller (BET) surface area of the Fe3O4 microroses calculated from the nitrogen adsorption–desorption isotherm is about 43m2g−1. Moreover, the as-synthesized Fe3O4 microroses have been used as an absorbent in wastewater treatment and exhibit a strong capability to remove Pb(II) ions.
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