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- W4295136116 abstract "• Z-scheme AgBr/BiO(HCOO) 0.75 I 0.25 composites exhibited superior photocatalytic activity for BPA elimination. • Complicated water matrix only slightly affected the AgBr/BiO(HCOO) 0.75 I 0.25 /VL system. • O 2 •- , 1 O 2 and photogenerated holes played primary roles in BPA degradation. • AgBr/BiO(HCOO) 0.75 I 0.25 /VL system exhibited a highly selective oxidation on aromatics with electron donating groups. Herein, a novel AgBr/BiO(HCOO) 0.75 I 0.25 Z-scheme photocatalyst was constructed through a facile hydrothermal and post-precipitation method for visible-light (VL) driven wastewater remediation. The 10 wt% AgBr/BiO(HCOO) 0.75 I 0.25 composite (10%ABB) could completely decompose bisphenol A (BPA) within 25 min, and multiple coexisting inorganic anions and natural organic matters only slightly affected the BPA removal efficiency. The wonderful photocatalytic performance could attribute to the construction of Z-scheme heterojunction, which modulated the energy band, accelerated the electron transfer and also raised the redox ability of the system. Since the superoxide radicals (O 2 •- ) and non-radical pathway ( 1 O 2 and h + ) were proved to be the dominating reactive species, 10%ABB/VL system exhibited a highly selective oxidation on aromatics with electron donating groups, whereas a relatively low value for organics with electron with drawing groups. By investigating the ionization potential (IP) of five representative organics, a negative correlation between IP value and reaction kinetics was reported. Moreover, the possible photocatalytic mechanism and elimination pathway were proposed via a series of photoelectrochemical analysis and LC-MS/MS. This work provides a strategy for engineering novel Bi-based photocatalyst and establishing selective oxidation system for organic contamination removal." @default.
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- W4295136116 date "2022-12-01" @default.
- W4295136116 modified "2023-10-11" @default.
- W4295136116 title "Facile construction of Z-scheme AgBr/BiO(HCOO)0.75I0.25 photocatalyst for visible-light-driven BPA degradation: Catalytic kinetics, selectivity and mechanism" @default.
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- W4295136116 doi "https://doi.org/10.1016/j.seppur.2022.122087" @default.
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