期刊
CHEMOSPHERE
卷 303, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2022.135114
关键词
Porphyrin; Photo-Fenton; MOG; Magnetic; Degradation; Antibacterial
资金
- National Natural Science Foundation of China [51273034]
A novel porphyrin-based metal organic gel (MOG) and magnetic metal organic gel (MMOG) were successfully synthesized. The MMOG showed high photo-Fenton activity in the degradation of Rhodamine B under visible light and could efficiently kill bacteria under visible light. The unique magnetic property of MMOG allowed for easy recovery by an external magnetic field.
Nanomaterials with visible light-driven catalytic ability are beneficial in controlling environmental pollutants. Porphyrin-based metal organic gel (MOG) was herein synthesized in one step and magnetic metal organic gel (MMOG) was successfully prepared via in-situ reaction of MOG and Fe3O4. This MMOG was developed as a novel visible light assisted Fenton-like catalyst. The catalytic experiments showed the high photo-Fenton activity of MMOG in the degradation of Rhodamine B (RhB) in the presence of visible light and H2O2 with a RhB degradation efficiency of 94.2% within 40 min. Notably, the obtained MMOG can kill E. coli and S. aureus with high killing rate (>99.999%) under visible light. Importantly, the MMOG can be recovered simply by an external magnetic field due to the unique magnetic property. This easily synthesized MMOG with photo-Fenton activity under visible light and magnetic property makes MOG based on the photo-Fenton reaction a prospective material for the environmental and biomedical applications.
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