Abstract
The NiFe2O4/N-doped GO composites were successfully synthesized by the hydrothermal method from graphene oxide GO, urea, iron nitrat, and niken nitrat. GO was synthesized by a modifìied Hummers, method. The obtained composites exhibited photocatalytic activities for methylene blue degradation (MB) under visible light irradiation. MB photodegradation efficiency reaches 98% after 240 minutes of illumination. The NiFe2O4/N-doped GO (NF/GO-N) was of better photocatalytic than that of the NF and GO-N. A kinetic model was proposed by the combination of classical Langmuir-Hinshelwood kinetic model, the experimental data fit well the proposed model.
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