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Porous fluorine-doped maghemite(γ-Fe₂O₃) hollow spheres have been prepared by facile route based on solvothermal reaction and sequential calcinations. The composition and morphology of the as-prepared samples were characterized by various techniques. The SEM and TEM results showed that the as-synthesized products exhibited a spherical morphology with porous hollow structures. Ultraviolet–visible (UV–vis) diffuse reflectance spectra display that the optical performance of γ-Fe₂O₃ products are related to their structure and the fluorine concentrations. The porous hollow structured fluorine-doped γ-Fe₂O₃ spheres exhibit ferromagnetic properties with relatively high saturation magnetization at room temperature. According to the experimental results, a formation mechanism of the fluorine-doped γ-Fe₂O₃ hollow spheres has been presented. Under UV light irradiation, the photocatalytic degradation …