A mesoporous encapsulated nanozyme for decontaminating two kinds of wastewater and avoiding secondary pollution

References

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title
DOI
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483A mesoporous encapsulated nanozyme for decontaminating two kinds of wastewater and avoiding secondary pollutionhttps://doi.org/10.1039/D0NR03217DCompositedeposition of AuPtCo tri-metal in the pores of the dendrimer-like macroporous silica nanoparticles (DMSN)(DMSN@AuPtCo)

Materials

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BET
b nanozyme
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483DMSN@AuPtCo80nmTEMThe average particle diameter and central-radial pore size of DMSNs were around 80 nm and 11.5 nm respectively, which were found from scanning electron microscopy (SEM) and transmission electron microscopy (TEM) images, and nitrogen adsorption measurements.AuPtCo clusters having a diameter of around 2.2 nm were formed by in situ reduction and attached to the pore surfaces, as clearly shown by SEM , TEM , elemental mapping images , powder X-ray diffraction analysis and diameter distribution analysis.

Kinetics

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483DMSN@AuPtCoPODTMB0.0905mM6.843-8mM/s483483
483DMSN@AuPtCoPODH2O25.8mM3.663-8mM/s483
483DMSN@AuPtCoCATH2O25.9mM0.34mM/min483483

Applications

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483DMSN@AuPtCoDecontaminate two kinds of wastewater and avoiding secondary pollution