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<p>This research explores the efficiency of molybdenum-based catalysts including molybdenum oxide, sulfide, and nitride in oxygen evolution reactions (OER). By systematically comparing these materials, we aim to elucidate their unique electrochemical properties and effectiveness in driving OER, a key process in energy conversion technologies. The study involves an in-depth analysis of their structural, compositional, and morphological attributes to determine the fundamental factors affecting their catalytic performance. These findings contribute to the strategic design and enhancement of OER catalysts, promoting advancements in sustainable energy solutions. Notably, this work represents the first direct comparison of these three materials under identical experimental conditions, providing fresh insights into their catalytic potential. The electrodes were fabricated by the sputter deposition technique by varying the plasma power. The outperformed electrode of the molybdenum nitride-based electrode fabricated at 200&#xa0;W of plasma power, demonstrated the overpotential of 124 mV at the current density of 10&#xa0;mA/cm<sup>2</sup>.</p> Graphical Abstract <p></p>

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Evaluating Oxygen Evolution Activity in Molybdenum-Derived Nitrides, Sulfides, and Oxides

  • 期刊论文

  • 发表日期：

    2026年3月9日

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  • Jyoti Raghav,
  • Kumari Diksha,
  • Sapna Raghav,
  • Shakti Singh,
  • V. S. Pandey,
  • Soumyendu Roy

摘要

This research explores the efficiency of molybdenum-based catalysts including molybdenum oxide, sulfide, and nitride in oxygen evolution reactions (OER). By systematically comparing these materials, we aim to elucidate their unique electrochemical properties and effectiveness in driving OER, a key process in energy conversion technologies. The study involves an in-depth analysis of their structural, compositional, and morphological attributes to determine the fundamental factors affecting their catalytic performance. These findings contribute to the strategic design and enhancement of OER catalysts, promoting advancements in sustainable energy solutions. Notably, this work represents the first direct comparison of these three materials under identical experimental conditions, providing fresh insights into their catalytic potential. The electrodes were fabricated by the sputter deposition technique by varying the plasma power. The outperformed electrode of the molybdenum nitride-based electrode fabricated at 200 W of plasma power, demonstrated the overpotential of 124 mV at the current density of 10 mA/cm2.

Graphical Abstract