4.7 Article

The construction of a Fenton system to achieve in situ H2O2 generation and decomposition for enhanced photocatalytic performance

期刊

INORGANIC CHEMISTRY FRONTIERS
卷 6, 期 6, 页码 1490-1500

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ROYAL SOC CHEMISTRY
DOI: 10.1039/c9qi00071b

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  1. National Natural Science Foundation of China [21777063, 21507046, 21476098, 21407065]
  2. high performance computing platform of Jiangsu University

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In this study, NixFeyO4-BiOBr (NFB) composites with different etching degrees were successfully synthesized via a simple hydrothermal method. The etching degree was regulated by adjusting the pH during the synthesis process. The superiorities of the obtained materials can be outlined as follows: (i) BiOBr has the property of generating H(2)O(2)in situ; and (ii) NixFeyO4 nanoparticles in the composite could effectively promote the decomposition of H2O2, which proceeded via the two-electron reduction of O-2 on the surface of BiOBr. The excellent properties of the prepared materials were confirmed through the photocatalytic degradation of bisphenol A under visible light irradiation, which is denoted as a solid-liquid-interfacial Fenton system. This work may pave the way for in situ H2O2 generation and decomposition; thus, the defects of traditional Fenton reaction systems, such as strict reaction conditions, high costs and secondary contamination after reactions, can be intelligently overcome.

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