Issue 48, 2022

CO2-Assisted synthesis of a crystalline/amorphous NiFe-MOF heterostructure for high-efficiency electrocatalytic water oxidation

Abstract

Modulating the crystalline phase and structure of metal organic frameworks (MOFs) for superior electrocatalytic oxygen evolution reaction (OER) performance is a significant but challenging topic. Herein, a facile CO2-assisted strategy is reported to fabricate a crystalline/amorphous NiFe-based MOF heterostructure (c/a-NiFe-MOF) that exhibited excellent OER performance with a low overpotential of only 236 mV at a current density of 10 mA cm−2 and a small Tafel slope of 30 mV dec−1. This work provides new insights for CO2-assisted preparation of novel MOF heterostructures with diverse crystalline phases and sheds light on the rational design of highly efficient OER electrocatalysts.

Graphical abstract: CO2-Assisted synthesis of a crystalline/amorphous NiFe-MOF heterostructure for high-efficiency electrocatalytic water oxidation

Supplementary files

Article information

Article type
Communication
Submitted
25 Feb 2022
Accepted
17 May 2022
First published
18 May 2022

Chem. Commun., 2022,58, 6833-6836

CO2-Assisted synthesis of a crystalline/amorphous NiFe-MOF heterostructure for high-efficiency electrocatalytic water oxidation

Y. Li, W. Ma, H. Yang, Q. Tian, Q. Xu and B. Han, Chem. Commun., 2022, 58, 6833 DOI: 10.1039/D2CC01163H

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