Porous 2D FeS2 nanosheets as a peroxidase mimic for rapid determination of H2O2

References

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367Porous 2D FeS2 nanosheets as a peroxidase mimic for rapid determination of H2O2https://doi.org/10.1016/j.talanta.2020.120995SulfidePorous regular hexagonal-shaped FeS2 nanosheets (NSs)

Materials

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BET
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367Porous regular hexagonal-shaped FeS2 nanosheets (NSs)1μmSEMSEM and TEM images of the FeS2 NSs (Fig. s2A and B) revealed that regular hexagonal-shaped nanosheets (2D) were synthesized with a side length of about 1 μm.

Kinetics

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367FeS2 NSsPODTMB0.171mM6.37-8M/s367367
367FeS2 NSsPODH2O20.00342mM10.3-8M/s367

Applications

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367FeS2 NSsSimultaneously, the FeS2 NSs were applied to rapidly detect H2O2 concentrations in actual samples, such as lens solution, beer and disinfectant (all bought from supermarkets).H2O2Color0.02–4.00μM0.00760μM