Respuesta :
In a living animal's brain, a single-atom Cu-N2 catalyst eliminates oxygen interference for electrochemically sensing hydrogen peroxide.
How to find an effective single-atom catalyst for the conversion of benzene to phenol?
- Finding an effective single-atom catalyst for the conversion of benzene to phenol is crucial, but the task is still difficult.
- Here, a single-atom catalyst (Cu1-N₂/HCNS) with distinctive Cu-N₂ moieties was created and verified by HAADF-STEM and EXAFS.
- Under the same reaction conditions, the turnover number (TON) over Cu1-N₂/HCNS (6,935) is 3.4 times that of Cu1-N₃/HCNS (2,034), and both show significantly greater phenol selectivity (almost 99%) and stability compared with Cu nanoparticles and nanoclusters.
- Experiments and DFT calculations show that atomically dispersed Cu species are active sites for the hydroxylation of benzene to phenol.
- The Cu-N₂ is more active than the Cu-N₃ due to its lower energy barrier for the activation of H₂O₂, which is caused by its special local atomic coordination state.
Learn more about the Catalyst with the help of the given link:
https://brainly.com/question/1565029
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