Abstract
Single‐crystalline α‐Fe2O3 nanorods with a polyhedral configuration have been successfully synthesized via a facile hydrothermal process at 180°C. X‐ray powder diffraction, transmission electron microscopy observations, field emission scanning electron microscopy, and selected area electron diffraction patterns were used to characterize the as‐synthesized samples. The result reveals that goethite nanorods were first generated and then transformed into hematite via dehydration in the successive hydrothermal treatment, in which the α‐Fe2O3 inherited the rod‐like morphology of the goethite precursor. The effect of surfactant and treatment time on the phase and morphology of the final products has been studied, and a possible growth mechanism is proposed.
Published Version
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