Home Technology Pt single atoms meet steel–natural frameworks to reinforce electrocatalytic hydrogen evolution exercise

Pt single atoms meet steel–natural frameworks to reinforce electrocatalytic hydrogen evolution exercise

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Pt single atoms meet steel–natural frameworks to reinforce electrocatalytic hydrogen evolution exercise

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The electrochemical hydrogen evolution response (HER) successfully produces clear, renewable, and sustainable hydrogen; nevertheless, the event of environment friendly electrocatalysts is required to cut back the excessive power barrier of the HER. Herein, we report two wonderful single-atom (SA)/steel–natural framework (MOF) composite electrocatalysts (PtSA-MIL100(Fe) and PtSA-MIL101(Cr)) for HER. The obtained PtSA-MIL100(Fe) and PtSA-MIL101(Cr) electrocatalysts exhibit overpotentials of 60 and 61 mV at 10 mA cm−2, respectively, that are near that of business Pt/C (38 mV); they exhibit overpotentials of 310 and 288 mV at 200 mA cm−2, respectively, that are akin to that of business Pt/C (270 mV). Theoretical simulations reveal that Pt SAs modulate the digital buildings of the MOFs, resulting in the optimization of the binding power for H* and vital enhancement of the HER exercise. This research describes a novel technique for making ready fascinating HER electrocatalysts primarily based on the synergy between SAs and MIL-series MOFs. Utilizing MIL-series MOFs to help SAs could possibly be worthwhile for future catalyst design.

Graphical abstract: Pt single atoms meet metal–organic frameworks to enhance electrocatalytic hydrogen evolution activity

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