Issue 2, 2025

Efficient electrocatalytic water oxidation by N-phthaloyl-γ-aminobutyric acid-cobalt 1D MOF

Abstract

Water electrolysis is critical for generating hydrogen and oxygen as alternative renewable fuels. The primary challenge lies in developing simple, economical, and eco-friendly catalysts with minimal overpotential. This study introduces a cobalt-based 1D metal–organic framework (MOF) as a highly efficient catalyst for water oxidation under electrochemical conditions. Significantly, the ligand and water bridges between Co(II) centers play a crucial role in electrocatalysis. Through electrochemical, spectroscopic, and electron microscopy analyses, we demonstrate that the 1D MOF is an effective heterogeneous electrocatalyst for water oxidation, achieving a high faradaic efficiency of 85% and an overpotential of just 390 mV. These findings offer a new direction in designing cost-effective and highly efficient transition-metal-based catalysts for water oxidation.

Graphical abstract: Efficient electrocatalytic water oxidation by N-phthaloyl-γ-aminobutyric acid-cobalt 1D MOF

Supplementary files

Article information

Article type
Paper
Submitted
04 Aug 2024
Accepted
04 Dec 2024
First published
05 Dec 2024

New J. Chem., 2025,49, 530-535

Efficient electrocatalytic water oxidation by N-phthaloyl-γ-aminobutyric acid-cobalt 1D MOF

M. Gumtya, A. Mondal, R. Banerjee and D. Haldar, New J. Chem., 2025, 49, 530 DOI: 10.1039/D4NJ03470H

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