Abstract
Ag-Ag3VO4/AgIO3 composites composed of Ag-Ag3VO4 particles (major component) and AgIO3 nanosheets (minor component) were obtained via photoreduction of Ag3VO4/AgIO3 composites prepared by sequential precipitation. The optimal Ag-Ag3VO4/AgIO3 catalysts (in particular, the one with an AgIO3/Ag3VO4 mass ratio of 6.4%) were found to be more active than AgIO3, Ag3VO4, and Ag-Ag3VO4 in the photocatalytic degradation of rhodamine B (RhB), methylene blue (MB), methyl orange (MO), and tetracycline hydrochloride (TC) under visible-light irradiation. Ag-Ag3VO4/AgIO3 can be reused in cycling experiments. Photogenerated holes (h+) and superoxide radical anions (O2−) were demonstrated by radical-capture experiments as the main active species in the photocatalytic degradation of RhB. The more efficient separation and transfer of photogenerated electron-hole pairs are responsible for the enhanced activity of Ag-Ag3VO4/AgIO3. A possible photocatalytic mechanism is proposed.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
