Abstract
Core–shell structure nanomaterials have attracted great attention owing to their unique structure and promising applications in various fields. However, the effective synthesis of magnetic core@porous ZnO shell heterostructure still remains a significant challenge. In this paper, Fe3O4/Fe@ZnO core–shell heterostructure nanospheres with ferromagnetic behavior and high specific surface area were synthesized by calcining metal-organic framework templates. The maximum adsorption capacities of the adsorbents towards Pb(II) and MB are 163 and 40 mg g−1, respectively. Successful access to high quality Fe3O4/Fe@ZnO core–shell heterostructure will make it possible for potential applications in wave absorption and other fields.
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