Journal
CATALYSTS
Volume 12, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/catal12060621
Keywords
Fenton-like catalyst; nano-Fe3O4; nitrogen-doped carbon; cold plasma; dielectric barrier discharge; phenol
Categories
Funding
- American Chemical Society Petroleum Research Fund
- ACS PRF [57596-UR5]
- Key R&D and Promotion Special Project (Science and Technology) of Henan Province, China [212102210214]
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A one-pot and green synthesis methodology was developed to prepare nitrogen-doped carbon cohered Fe3O4 nanoparticles with rich oxygen vacancies. The synthesized nanocomposite showed excellent catalytic activity and stability, making it a promising candidate for wastewater treatment.
A one-pot and green synthesis methodology was successfully designed to prepare nitrogen-doped carbon (NC) cohered Fe3O4 nanoparticles with rich oxygen vacancies (Fe3O4-OVs/NC). The preparation was achieved via cold-atmospheric-pressure air plasma using Fe2O3 nanoparticles as the only precursor, and pyridine as the carbon and nitrogen source. Systematic characterization results of the as-prepared Fe3O4-OVs/NC confirmed the transition from Fe2O3 to Fe3O4 , along with the generation of oxygen vacancies, while preserving the original needle-like morphology of Fe2O3. Moreover, the results indicated the formation of the NC attaching to the surface of the formed Fe3O4 nanoparticles with a weight percent of similar to 13.6%. The synthesized nanocomposite was further employed as a heterogeneous Fenton catalyst to remove phenol from an aqueous solution. The material has shown excellent catalytic activity and stability, demonstrating a promising application for wastewater treatment.
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