Issue 4, 2025

Synergistic improvement of pH-universal hydrogen evolution through B, N dual-doped Mo2C

Abstract

The quest for a cost-effective, high-performance catalyst for hydrogen production from electrolyzed water across a broad pH range holds immense importance. B, N co-doped Mo2C was first synthesized via microwave plasma chemical vapor deposition (MPCVD) for efficient hydrogen production from electrolyzed water. The B, N-Mo2C catalyst demonstrates a requirement of 81 mV in 1.0 M KOH to achieve a current density of 10 mA cm−2. Density functional theory (DFT) calculations revealed that B, N co-doping optimizes the charge transfer between H* and Mo2C, diminishes the excessive hydrogen binding energy of Mo2C, and supports effective and stable hydrogen evolution reaction (HER) conduction in diverse settings. This doping strategy offers a systematic design approach for designing highly active noble-metal-free HER catalysts.

Graphical abstract: Synergistic improvement of pH-universal hydrogen evolution through B, N dual-doped Mo2C

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Article information

Article type
Paper
Submitted
08 Oct 2024
Accepted
11 Dec 2024
First published
13 Dec 2024

J. Mater. Chem. A, 2025,13, 3084-3093

Synergistic improvement of pH-universal hydrogen evolution through B, N dual-doped Mo2C

S. Wang, S. Zhu, Z. Cui, Z. Li, S. Wu, W. Xu, Z. Gao, Y. Liang and H. Jiang, J. Mater. Chem. A, 2025, 13, 3084 DOI: 10.1039/D4TA07177H

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