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<p>Efficient hydrogenation catalysts operating under mild conditions are essential for sustainable chemical synthesis. Herein, reduced graphene oxide (rGO) supported Ni, Pd, Cu, and Zn catalysts were investigated for the hydrogenation of 1-octene under an applied external electric field (EEF). Paired ON/OFF experiments demonstrate that the EEF significantly enhances hydrogenation activity in a catalyst-dependent manner. Notably, Cu–rGO exhibits the highest activity under EEF, revealing an activity trend distinct from conventional thermal hydrogenation. Density functional theory (DFT) calculations provide complementary insight into intrinsic electronic structures while highlighting the limitations of static models for describing EEF-driven catalysis.</p> Graphical abstract <p></p>

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Tunable metal-reduced graphene oxide hybrid materials for electric field-driven catalytic hydrogenation

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月23日

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  • Yee Shi Wee,
  • Emelda Raymond,
  • Suhaila Sapari,
  • Fazira Ilyana Abdul Razak

摘要

Efficient hydrogenation catalysts operating under mild conditions are essential for sustainable chemical synthesis. Herein, reduced graphene oxide (rGO) supported Ni, Pd, Cu, and Zn catalysts were investigated for the hydrogenation of 1-octene under an applied external electric field (EEF). Paired ON/OFF experiments demonstrate that the EEF significantly enhances hydrogenation activity in a catalyst-dependent manner. Notably, Cu–rGO exhibits the highest activity under EEF, revealing an activity trend distinct from conventional thermal hydrogenation. Density functional theory (DFT) calculations provide complementary insight into intrinsic electronic structures while highlighting the limitations of static models for describing EEF-driven catalysis.

Graphical abstract