Abstract
AbstractThe Ag/h‐BN/Bi2O3 ternary composite was facilely fabricated via self‐assembly combined with in situ reduction. Characterization results showed that the as‐prepared Ag/h‐BN/Bi2O3 possessed distinct surface plasma resonance (SPR) and Mott‐Schottky heterostructure, resulting in significant enhancement of catalytic activity for RhB removal, the reaction rate constant (2.26×10−2 min−1) is 2.5 times that of h‐BN/Bi2O3 under visible‐light irradiation for 2 hours, which was mainly ascribed to the SPR and Mott‐Schottky heterostructure result in Ag/h‐BN/Bi2O3 enhanced visible‐light harvesting capacity and the effectual spatial separation of photoinduced carriers. The quenching process of reactive species indicated that h+ and ⋅O2− play dominant role in the degradation for pollutants. This work demonstrates that Ag/h‐BN/Bi2O3 is a promising stability photocatalyst for water purification.
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