Issue 7, 2024

Insights on MOF-derived metal–carbon nanostructures for oxygen evolution

Abstract

Electrochemical water splitting has been regarded a promising method for the production of green hydrogen, addressing the need for efficient energy conversion and storage. However, it is severely hindered by the oxygen evolution reaction (OER) because of its multi-step four-electron transfer pathway with sluggish reaction kinetics. Microporous metal–organic-frameworks (MOFs), by virtue of large specific surface area, high porosity, tunable composition and morphology, find widespread use as precursors of metal–carbon nanostructures. The resulting carbon nanomaterials can well inherit the characteristics and advantages of the crystalline MOF precursors, and exhibit versatile application prospects in the fields of environment and energy, particularly in OER. Herein, a meticulous overview of the synthesis strategy for MOF-derived metal–carbon nanostructures and the origins of their enhanced OER properties has been demonstrated. We comprehensively illustrate these aspects across three dimensions: MOF selection, metal introduction, and carbon structures. Finally, the challenges and future prospects for this emerging field will be presented.

Graphical abstract: Insights on MOF-derived metal–carbon nanostructures for oxygen evolution

Article information

Article type
Frontier
Submitted
20 Ker. 2023
Accepted
20 Gen. 2024
First published
25 Gen. 2024

Dalton Trans., 2024,53, 2903-2916

Insights on MOF-derived metal–carbon nanostructures for oxygen evolution

J. Chen and J. Qian, Dalton Trans., 2024, 53, 2903 DOI: 10.1039/D3DT04263D

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