期刊
INORGANIC CHEMISTRY COMMUNICATIONS
卷 131, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.inoche.2021.108759
关键词
Ag3VO4; Diatomite; Photodegradation; Visible-light driven
资金
- National Natural Science Foundation of China [21201004, 81903859]
- Initial Scientific Research Fund of Anhui Jianzhu University [2017QD14]
- Anhui Provincial Universities Excellent Young Talents Plan
In this study, Ag3VO4/diatomite composites with varying ratios were synthesized successfully and demonstrated excellent photocatalytic performance, especially when the diatomite content was at 50%. The composites showed high efficiency in degrading RhB under visible light irradiation and could be reused, indicating their extensive potential applications in waste water treatment.
In this work, the Ag3VO4/diatomite composites with different ratio were successfully synthesized through one-step method. Through relevant characterizations, the results indicated that a large number of Ag3VO4 nanoparticles attached to the surface and pores in the diatomite. The photocatalytic performances of the samples were analyzed using degradation of RhB in aqueous solution under visible light irradiation (lambda >= 400 nm). The results showed that the Ag3VO4/diatomite composite exhibited the highest photocatalytic activity when the diatomite content reached 50%. After 40 min irradiation, almost 96% of RhB can be degraded. The photodynamic kinetic constant of the 50%-Ag3VO4/diatomite composite is 3.57 times higher than that of pure Ag3VO4 nanoparticles. In addition, the photocatalyst can be repetitively used with a high photocatalytic activity. The photocatalytic mechanism also has been discussed. It is believed that the Ag3VO4/diatomite composites have extensive potential applications in waste water treatment.
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