Highly efficient MnOx catalysts derived from Mn-MOFs for chlorobenzene oxidation: The influence of MOFs precursors, oxidant and doping of Ce metal

Jiang, Tingting; Wang, Xi; Zhang, Junjie; Mai, Yuliang; Chen, Jiazhi

doi:10.1016/j.mcat.2023.113653

Molecular Catalysis

2023

DOI: 10.1016/j.mcat.2023.113653

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Highly efficient MnOx catalysts derived from Mn-MOFs for chlorobenzene oxidation: The influence of MOFs precursors, oxidant and doping of Ce metal

Tingting Jiang,

Xi Wang,

Junjie Zhang

et al.

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2024

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Cited by 2 publications

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Metal‐Organic Frameworks (MOFs): Classification, Synthesis, Modification, and Biomedical Applications

Wang,

Yao,

et al. 2024

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Metal‐organic frameworks (MOFs) are a new variety of solid crystalline porous functional materials. As an extension of inorganic porous materials, it has made important progress in preparation and application. MOFs are widely used in various fields such as gas adsorption storage, drug delivery, sensing, and biological imaging due to their high specific surface area, porosity, adjustable pore size, abundant active sites, and functional modification by introducing groups. In this paper, the types of MOFs are classified, and the synthesis methods and functional modification mechanisms of MOFs materials are summarized. Finally, the application prospects and challenges of metal‐organic framework materials in the biomedical field are discussed, hoping to promote their application in multidisciplinary fields.

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Metal‐Organic Frameworks (MOFs): Classification, Synthesis, Modification, and Biomedical Applications

Wang,

Yao,

et al. 2024

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Boosting Benzene’s Ozone Catalytic Oxidation at Mild Temperatures over Highly Dispersed Ag-Doped Mn3O4

Guo,

Cen,

Deng

et al. 2024

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Transition metal oxides show high activity while still facing the challenges of low mineralization and poor durability in the ozone catalytic oxidation (OCO) of volatile organic compounds (VOCs). Improving the oxygen mobility and low-temperature reducibility of transition metal oxides was found to be an effective way to address the above challenges. Here, highly dispersed Ag was added to Mn3O4 via the co-precipitation oxalate route, and the obtained Ag/Mn3O4 exhibited higher mineralization and stability in benzene catalytic ozonation at room temperature. Compared to Mn3O4, the concentration of CO2 formed from benzene oxidation over Ag/Mn3O4 was significantly increased, from 585.4 ppm to 810.9 ppm, while CO generation was greatly suppressed to only one tenth of its original value (194 ppm vs. 19 ppm). In addition, Ag/Mn3O4 exhibited higher catalytic stability than Mn3O4. The introduction of Ag obviously improved the oxygen mobility and low-temperature reducibility of Mn3O4. Moreover, the highly dispersed Ag also promoted the activity of surface oxygen species and the chemisorption of benzene on Mn3O4. The above physicochemical properties contributed to the excellent catalytic performance and durability of Ag/Mn3O4. This research could shed light on the improvement in VOC mineralization via ozone catalytic oxidation.

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Highly efficient MnOx catalysts derived from Mn-MOFs for chlorobenzene oxidation: The influence of MOFs precursors, oxidant and doping of Ce metal

Cited by 2 publications

References 68 publications

Metal‐Organic Frameworks (MOFs): Classification, Synthesis, Modification, and Biomedical Applications

Metal‐Organic Frameworks (MOFs): Classification, Synthesis, Modification, and Biomedical Applications

Boosting Benzene’s Ozone Catalytic Oxidation at Mild Temperatures over Highly Dispersed Ag-Doped Mn3O4

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