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<p>A novel magnetic nanocatalyst has been developed by covalently attaching a palladium complex (AP-Pd) to magnetic Fe<sub>3</sub>O<sub>4</sub> particles, which were coated with a silica layer. This surface functionalization method of magnetic particles offers a promising strategy to bridge heterogeneous and homogeneous catalysis techniques. Various analytical techniques were employed to characterize the structure, morphology, and physicochemical properties of the synthesized particles. These techniques include Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA), field emission scanning electron microscopy (FE-SEM), vibrating sample magnetometry (VSM), inductively coupled plasma (ICP), X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDS), and Brunauer–Emmett–Teller (BET) surface area measurements. The Fe<sub>3</sub>O<sub>4</sub>/n-Pr/AP-Pd nanocatalyst exhibited excellent catalytic performance in Suzuki-Miyaura cross-coupling reactions, demonstrating high activity and recyclability. Additionally, the catalyst could be recovered and reused multiple times without significant palladium leaching or loss in catalytic efficiency.</p>

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Palladium anchored to magnetic silica functionalized with AP groups as a novel and efficient heterogeneous catalyst for C–C coupling reactions

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年6月3日

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  • Mohammed Asiri,
  • Vicky Jain,
  • Suhas Ballal,
  • Abhinav Kumar,
  • Rami Oweis,
  • Munthar Kadhim Abosaoda,
  • Abhayveer Singh,
  • Parminder Singh,
  • Subhashree Ray,
  • Aashna Sinha

摘要

A novel magnetic nanocatalyst has been developed by covalently attaching a palladium complex (AP-Pd) to magnetic Fe3O4 particles, which were coated with a silica layer. This surface functionalization method of magnetic particles offers a promising strategy to bridge heterogeneous and homogeneous catalysis techniques. Various analytical techniques were employed to characterize the structure, morphology, and physicochemical properties of the synthesized particles. These techniques include Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA), field emission scanning electron microscopy (FE-SEM), vibrating sample magnetometry (VSM), inductively coupled plasma (ICP), X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDS), and Brunauer–Emmett–Teller (BET) surface area measurements. The Fe3O4/n-Pr/AP-Pd nanocatalyst exhibited excellent catalytic performance in Suzuki-Miyaura cross-coupling reactions, demonstrating high activity and recyclability. Additionally, the catalyst could be recovered and reused multiple times without significant palladium leaching or loss in catalytic efficiency.