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<p>Developing an efficient, affordable and long-lasting electrocatalyst is a primary focus of ongoing investigations for electrochemical water splitting. Herein, MoO<sub>3</sub>@rGO nanohybrid was fabricated via hydrothermal technique and utilized as catalyst for oxygen evolution reaction (OER) with Ni foam (NF) serving as a conductive substrate. Because of their vigorous electrical features and cooperative outcome, the MoO<sub>3</sub>-based composite is more suitable for water oxidation reaction. A range of analytical tools was implemented to assess the crystallinity, morphology, surface area (SA) and thermal durability of the fabricated substances. The electrochemical studies in alkaline media exhibited that MoO<sub>3</sub>@rGO nanohybrid has remarkable Tafel slope (38&#xa0;mV/dec) and a lower overpotential (<i>η</i>) of 196&#xa0;mV at current density (C<sub>d</sub>) of 10&#xa0;mA/cm<sup>2</sup> for OER. Moreover, the fabricated nanohybrid possesses remarkable stability after 3000th cycles. All these remarkable outcomes confirmed that the generated nanohybrid is a promising electrocatalyst with effectively regulated ordered structures for increasing OER activity.</p>

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MoO3 nanoparticles embedded on rGO nanosheet: a suitable and highly stable electrocatalyst for water splitting

  • 期刊论文

  • 发表日期：

    2025年9月8日

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  • Kiran Tahir,
  • Abhinav Kumar,
  • F. F. Alharbi,
  • Jayanti Makasana,
  • M M Rekha,
  • G. Senthil Kumar,
  • Mohammed A. Al-Anber,
  • Sankar Narayan Das,
  • Rahul Chaudhary,
  • Ankit D. Oza

摘要

Developing an efficient, affordable and long-lasting electrocatalyst is a primary focus of ongoing investigations for electrochemical water splitting. Herein, MoO3@rGO nanohybrid was fabricated via hydrothermal technique and utilized as catalyst for oxygen evolution reaction (OER) with Ni foam (NF) serving as a conductive substrate. Because of their vigorous electrical features and cooperative outcome, the MoO3-based composite is more suitable for water oxidation reaction. A range of analytical tools was implemented to assess the crystallinity, morphology, surface area (SA) and thermal durability of the fabricated substances. The electrochemical studies in alkaline media exhibited that MoO3@rGO nanohybrid has remarkable Tafel slope (38 mV/dec) and a lower overpotential (η) of 196 mV at current density (Cd) of 10 mA/cm2 for OER. Moreover, the fabricated nanohybrid possesses remarkable stability after 3000th cycles. All these remarkable outcomes confirmed that the generated nanohybrid is a promising electrocatalyst with effectively regulated ordered structures for increasing OER activity.