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A novel magnetic binary‐metal‐oxide‐coated nanocataly composing of a hollow Fe3O4 core and CeO2‐La2O3 shells with Au nanoparticles encapsulated has been created in this work. The structural features of catalysts were characterized by several techniques, including SEM, TEM, UV‐vis, FTIR, XRD, XPS and TGA analyses. After the coating of CeO2‐La2O3 layer, CeO2‐La2O3/Au/C/Fe3O4 microspheres showed a superior...
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