Journal
NANOMATERIALS
Volume 12, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/nano12060904
Keywords
MOF derivative; cobalt oxide; iron oxide; hierarchical heterostructure; photocatalysis
Categories
Funding
- National Natural Science Foundation of China [52101213]
- Science and Technology Department of Jiangsu Province of China [BK20210261]
- Southeast University of China
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A porous ball-flower-like Co3O4/Fe2O3 heterostructural photocatalyst was synthesized using a facile metal-organic-framework-templated method. It showed excellent degradation performance in the model molecule rhodamine B under visible light irradiation, attributed to abundant photo-generated holes and hydroxyl radicals, as well as the combined effects of porous structure, strong visible-light absorption, and improved interfacial charge separation. The treated reaction solution's ecotoxicity was evaluated, confirming that the synthesized Co3O4/Fe2O3 catalyst could achieve long-term recyclable degradation of dye-contaminated wastewater into non-toxic and colorless wastewater.
A porous ball-flower-like Co3O4/Fe2O3 heterostructural photocatalyst was synthesized via a facile metal-organic-framework-templated method, and showed an excellent degradation performance in the model molecule rhodamine B under visible light irradiation. This enhanced photocatalytic activity can be attributed to abundant photo-generated holes and hydroxyl radicals, and the combined effects involving a porous structure, strong visible-light absorption, and improved interfacial charge separation. It is notable that the ecotoxicity of the treated reaction solution was also evaluated, confirming that an as-synthesized Co3O4/Fe2O3 catalyst could afford the sunlight-driven long-term recyclable degradation of dye-contaminated wastewater into non-toxic and colorless wastewater.
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