Bimetal-regulated indium-based metal-organic framework family realizing highly efficient photo/electrocatalytic hydrogen evolution reaction
ELECTROCHIMICA ACTA(2024)
摘要
Based on promptly emerging global necessity and future environmental considerations, highly efficient production of hydrogen as sustainable energy receives great attention. In this work, bimetal-regulated In-based metal-organic framework (MOF) family is successfully designed and obtained. The most importance is that they exhibit high electrocatalytic and photocatalytic activities towards hydrogen generation from water. Such photo/ electro-catalyst for efficiently producing hydrogen is a great challenge and requirement, which is also considered as the best way for green energy production. Herein, bimetallic indium-based MOFs is named as In/M-MOFs (M = Ni, Mn, Co, Fe and In). Among of them, In/Ni-MOF as electrocatalyst achieves a stable HER current with an extremely low overpotential of 215 mV at 10 mA cm-2 in 0.1 M KOH, and it as photocatalyst presents a superior hydrogen evolution efficiency of 1478.75 mu mol center dot h- 1 center dot g- 1 under full-range irradiation. These exciting results highlight great potential of In-based MOFs via bimetal regulation and control, and provide bright prospect for the construction of dual-functional green catalysts in the field of photo/electrocatalysis.
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关键词
Indium center,Metal-organic framework,Electrocatalyst,Photocatalyst,Hydrogen evolution
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