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- W3048595857 abstract "Abstract Light-activated nanozymes can provide a wealth of new opportunities for the chemical industry and biotechnology. However, present remote-controlled catalytic systems are still far from satisfactory. Herein, we present an interesting example of applying ultrathin Pd nanosheets (Pd NSs) as a light-controllable peroxidase mimic. Since most of Pd atoms are exposed on their surface, Pd NSs with a thickness of 1.1 nm possess high peroxidase-like activity. More importantly, under light excitation, such intrinsic activity can be further activated by a nearly 2.4- to 3.2-fold. Such a phenomenon can be ascribed to the unique optical property of ultrathin Pd NSs, which can efficiently capture photons to generate hot electrons via surface plasmon resonance effect and thus promote the in situ decomposition of H 2 O 2 into reactive oxygen species radicals (O*). This enhanced catalysis can also be used for real-time and highly sensitive colorimetric detection of H2O2. We expect our work can provide valuable insights into the rational design of artificial nanozymes with controllable and efficient activity in biomedical diagnostics, drug delivery, and environmental chemistry." @default.
- W3048595857 created "2020-08-18" @default.
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- W3048595857 date "2020-08-11" @default.
- W3048595857 modified "2023-09-30" @default.
- W3048595857 title "Hot-Electron-Activated Peroxidase-Mimicking Activity of Ultrathin Pd Nanozymes" @default.
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- W3048595857 doi "https://doi.org/10.1186/s11671-020-03388-9" @default.
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