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Novel composites composed of CoFe2O4 spheres and reduced graphene oxide (RGO) were synthesized by using a facile hydrothermal route in combination with calcination at 550°C. A series of characterization results indicate that the as-prepared CoFe2O4 spheres with relatively uniform sizes are homogeneously distributed on RGO layers. As absorbing materials, absorption properties of the graphene sheets...
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