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Two types of three-dimensionally ordered macroporous (3DOM) Bi2O3/ZrO2 composites were prepared by the sol–gel method combined with the decompression filling method using polystyrene (PS) microspheres and EO20PO70EO20 (P123) as the templates. The crystal structure, morphology, and surface physicochemical properties of Bi2O3/ZrO2 composites were well characterized by X-ray diffraction, UV–visible diffuse...
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