Abstract
An efficient In3+ doped Bi4O5I2/In2O3 photocatalyst was synthesized by simple solvothermal and calcination routes. Rhodamine B (RhB), tetracycline (TC) and Escherichia coli (E. coli) were evaluated as model pollutants for the photocatalytic measurement. Under LED light, the optimum sample BIN-2 can kill E. coli in 30 min, 78% of tetracycline (TC) in 75 min, and degrade 100% of RhB in 75 min. The trapping test proved that the superoxide anion radicals (•O2-) and holes (h+) played an important role in the photocatalytic process. The intermediates were revealed by mass spectrometry analysis (MS), and the proposed pathway of TC degradation was given. By trapping experiment and related characterizations, a tight Z-scheme was produced, in which In3+ doped Bi4O5I2/In2O3 hybrid structure is realized with a more negative conduction band and a more positive valence band, facilitating the production of active substances and photocatalytic redox reaction. The enhanced photocatalytic activities could be attributed to the well visible light absorption, tight hybrid interface, and efficient separation of photo-generated charges.
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.
