Photocatalytic hydrogen peroxide production in natural seawater by AgQDs(0D)/Bi2O3(3D) hybrid structure for in-situ bacterial inactivation

Chenglin Zhang,Qiuchen He,Su Zhan,Feng Zhou

Journal of Photochemistry and Photobiology A: Chemistry（2023）

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摘要

•The 7%AgQDs/Bi2O3 catalyst perform the highest sterilization rate of 87.6% for marine bacteria.•The generation of H2O2 was reached 35.62 μM in 7%AgQDs/Bi2O3 photocatalyst.•Active species •OH occupied an important role rather than H2O2 and •O2–.•The production of H2O2 in natural seawater is mainly from the oxygen reduction reaction.

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关键词

Marine microorganisms,Ballast water,Hydrogen peroxide,Hydroxyl radicals,Hot electrons

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