Construction of superhydrophobic directly Z-scheme bismuth oxybromide/silver phosphate fabric surfac

来源 :中国科学:技术科学(英文版) | 被引量 : 0次 | 上传用户:walker1116_2009
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Various forms of pollutants discharged from industrial and life;how to treat the opposite water-soluble pollutants at the same time is a challenge.Here,a superhydrophobic BiOBr/Ag3PO4 fabric (SH fabric) bulk material was prepared aiming at the diversity of pollutants.Water (WCA=160°) and oil contaminants (spread) have different wetting behavior on fabric surfaces.The high recovery efficiency for oil pollutants was achieved by using the selective oil removal property of the SH fabric.Meanwhile,the pollutants in the aqueous phase were removed by photocatalyst after oil/water separation.Mechanism analysis demonstrated that the direct Z-type heterojunction formed between BiOBr (EvB=1.66 eV;EcB=-1.08 eV) and Ag3PO4 (Ew=3.03 eV;EcB=0.6 eV).It is worth noting that the SH fabric exhibited good mechanical stability and UV shielding performance,which have potential application in environmental control.
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